56615325151 has 64 divisors (see below), whose sum is σ = 75088972800. Its totient is φ = 42275882880.

The previous prime is 56615325119. The next prime is 56615325257. The reversal of 56615325151 is 15152351665.

It is a happy number.

It is not a de Polignac number, because 56615325151 - 2⁵ = 56615325119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56615325101) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9350241 + ... + 9356293.

It is an arithmetic number, because the mean of its divisors is an integer number (1173265200).

Almost surely, 2^56615325151 is an apocalyptic number.

56615325151 is a deficient number, since it is larger than the sum of its proper divisors (18473647649).

56615325151 is a wasteful number, since it uses less digits than its factorization.

56615325151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6189 (or 6175 counting only the distinct ones).

The product of its digits is 135000, while the sum is 40.

The spelling of 56615325151 in words is "fifty-six billion, six hundred fifteen million, three hundred twenty-five thousand, one hundred fifty-one".