56115425979 has 12 divisors (see below), whose sum is σ = 81300500632. Its totient is φ = 37297260000.

The previous prime is 56115425959. The next prime is 56115425999. The reversal of 56115425979 is 97952451165.

56115425979 is a `hidden beast` number, since 5 + 6 + 1 + 1 + 5 + 42 + 597 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (56115425959) and next prime (56115425999).

It is not a de Polignac number, because 56115425979 - 2¹⁹ = 56114901691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56115425959) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9415522 + ... + 9421479.

Almost surely, 2^56115425979 is an apocalyptic number.

56115425979 is a deficient number, since it is larger than the sum of its proper divisors (25185074653).

56115425979 is a wasteful number, since it uses less digits than its factorization.

56115425979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18837338 (or 18837335 counting only the distinct ones).

The product of its digits is 3402000, while the sum is 54.

The spelling of 56115425979 in words is "fifty-six billion, one hundred fifteen million, four hundred twenty-five thousand, nine hundred seventy-nine".