56120720100 has 72 divisors (see below), whose sum is σ = 162407938560. Its totient is φ = 14962577280.

The previous prime is 56120720081. The next prime is 56120720111. The reversal of 56120720100 is 102702165.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1808314 + ... + 1839086.

Almost surely, 2^56120720100 is an apocalyptic number.

56120720100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

56120720100 is an abundant number, since it is smaller than the sum of its proper divisors (106287218460).

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

56120720100 is a wasteful number, since it uses less digits than its factorization.

56120720100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36869 (or 36862 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 24.

The spelling of 56120720100 in words is "fifty-six billion, one hundred twenty million, seven hundred twenty thousand, one hundred".