If there was ever an incentive to double-check your phone bills, this would be it: A woman in France was just slammed with a quadrillion dollar phone bill. Yes, really.

A woman named Solenne San Jose — who cancelled her account with French phone company Bouygues Telecom — has reportedly received a bill in the mail for $15 quadrillion or €11,721,000,000,000,000.

Although she knew there would be a cancellation fee for terminating the account ahead of the contract agreement, it was hardly the fine she was expecting.

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"There were so many zeros I couldn't even work out how much it was," San Jose told French news site Sud Ouest.

The real kicker is that San Jose said she had difficult time convincing the company that it was actually an error. After identifying the issue as a printing problem, she was billed for only €117.21, or $151.

Do you always check your phone bills or trust the company is billing you correctly? Let us know in the comments.

Image courtesy of iStockphoto, SchulteProductions