10809013056 has 224 divisors, whose sum is σ = 31369772160. Its totient is φ = 3272638464.

The previous prime is 10809013021. The next prime is 10809013109. The reversal of 10809013056 is 65031090801.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9852700 + ... + 9853796.

Almost surely, 2^10809013056 is an apocalyptic number.

10809013056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10809013056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15684886080).

10809013056 is an abundant number, since it is smaller than the sum of its proper divisors (20560759104).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10809013056 is a wasteful number, since it uses less digits than its factorization.

10809013056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1241 (or 1231 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 33.

The spelling of 10809013056 in words is "ten billion, eight hundred nine million, thirteen thousand, fifty-six".