56111117900 has 36 divisors (see below), whose sum is σ = 125051975328. Its totient is φ = 21837839040.

The previous prime is 56111117893. The next prime is 56111117921. The reversal of 56111117900 is 971111165.

56111117900 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7578884 + ... + 7586283.

Almost surely, 2^56111117900 is an apocalyptic number.

56111117900 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

56111117900 is an abundant number, since it is smaller than the sum of its proper divisors (68940857428).

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

56111117900 is a wasteful number, since it uses less digits than its factorization.

56111117900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15165218 (or 15165211 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 32.

The spelling of 56111117900 in words is "fifty-six billion, one hundred eleven million, one hundred seventeen thousand, nine hundred".