10155805056 has 64 divisors (see below), whose sum is σ = 29973740400. Its totient is φ = 3385267200.

The previous prime is 10155805031. The next prime is 10155805057. The reversal of 10155805056 is 65050855101.

10155805056 is a `hidden beast` number, since 1 + 0 + 1 + 558 + 0 + 50 + 56 = 666.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 10155805056.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10155805057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1465845 + ... + 1472756.

Almost surely, 2^10155805056 is an apocalyptic number.

10155805056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

10155805056 is an abundant number, since it is smaller than the sum of its proper divisors (19817935344).

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

10155805056 is an equidigital number, since it uses as much as digits as its factorization.

10155805056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2938624 (or 2938606 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 36.

The spelling of 10155805056 in words is "ten billion, one hundred fifty-five million, eight hundred five thousand, fifty-six".