56100012885 has 256 divisors, whose sum is σ = 123863040000. Its totient is φ = 23529242880.

The previous prime is 56100012817. The next prime is 56100012889. The reversal of 56100012885 is 58821000165.

56100012885 is a `hidden beast` number, since 561 + 0 + 0 + 0 + 12 + 8 + 85 = 666.

56100012885 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56100012885 - 2⁸ = 56100012629 is a prime.

It is a super-2 number, since 2×56100012885² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56100012889) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 93655816 + ... + 93656414.

It is an arithmetic number, because the mean of its divisors is an integer number (483840000).

Almost surely, 2^56100012885 is an apocalyptic number.

It is an amenable number.

56100012885 is an abundant number, since it is smaller than the sum of its proper divisors (67763027115).

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

56100012885 is a wasteful number, since it uses less digits than its factorization.

56100012885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813 (or 807 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 36.

The spelling of 56100012885 in words is "fifty-six billion, one hundred million, twelve thousand, eight hundred eighty-five".