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Duooctogintatrecentillion

A Duooctogintatrecentillion (1 Duooctogintatrecentillion) is 10 to the power of 1149 (10^1149). This is a stupendously astronomical number!

How many zeros in a Duooctogintatrecentillion?

There are 1,149 zeros in a Duooctogintatrecentillion.

What's before Duooctogintatrecentillion?

A Unoctogintatrecentillion is smaller than a Duooctogintatrecentillion.

What's after Duooctogintatrecentillion?

A Tresoctogintatrecentillion is larger than a Duooctogintatrecentillion.

Duooctogintatrecentillionaire

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

Is Duooctogintatrecentillion the largest number?

Duooctogintatrecentillion 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.

Duooctogintatrecentillion written out

Duooctogintatrecentillion is written out as:

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


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