56415651465 has 16 divisors (see below), whose sum is σ = 90293406336. Its totient is φ = 30078892800.

The previous prime is 56415651451. The next prime is 56415651491.

56415651465 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 56415651465 - 2⁴ = 56415651449 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 541456 + ... + 637185.

It is an arithmetic number, because the mean of its divisors is an integer number (5643337896).

Almost surely, 2^56415651465 is an apocalyptic number.

It is an amenable number.

56415651465 is a deficient number, since it is larger than the sum of its proper divisors (33877754871).

56415651465 is a wasteful number, since it uses less digits than its factorization.

56415651465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1181840.

The product of its digits is 2160000, while the sum is 48.

The spelling of 56415651465 in words is "fifty-six billion, four hundred fifteen million, six hundred fifty-one thousand, four hundred sixty-five".