56004736515 has 32 divisors (see below), whose sum is σ = 110286253056. Its totient is φ = 23632767360.

The previous prime is 56004736511. The next prime is 56004736537. The reversal of 56004736515 is 51563740065.

It is not a de Polignac number, because 56004736515 - 2² = 56004736511 is a prime.

It is a super-2 number, since 2×56004736515² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56004736511) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20513191 + ... + 20515920.

It is an arithmetic number, because the mean of its divisors is an integer number (3446445408).

Almost surely, 2^56004736515 is an apocalyptic number.

56004736515 is a deficient number, since it is larger than the sum of its proper divisors (54281516541).

56004736515 is a wasteful number, since it uses less digits than its factorization.

56004736515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41029139.

The product of its (nonzero) digits is 378000, while the sum is 42.

The spelling of 56004736515 in words is "fifty-six billion, four million, seven hundred thirty-six thousand, five hundred fifteen".