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Duooctogintillion

A Duooctogintillion (1 Duooctogintillion) is 10 to the power of 249 (10^249). This is a very astronomical number!

How many zeros in a Duooctogintillion?

There are 249 zeros in a Duooctogintillion.

What's before Duooctogintillion?

A Unoctogintillion is smaller than a Duooctogintillion.

What's after Duooctogintillion?

A Tresoctogintillion is larger than a Duooctogintillion.

Duooctogintillionaire

A Duooctogintillionaire is someone whos assets, net worth or wealth is 1 or more Duooctogintillion. It is unlikely anyone will ever be a true Duooctogintillionaire. If you want to be a Duooctogintillionaire, play Tap Tales!

Is Duooctogintillion the largest number?

Duooctogintillion is not the largest number. Infinity best describes the largest possible number - if there even is one! We cannot comprehend what the largest number actually is.

Duooctogintillion written out

Duooctogintillion is written out as:

1,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000


Big Numbers

This is just one of many really big numbers!

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