56155710715 has 16 divisors (see below), whose sum is σ = 72642181248. Its totient is φ = 41427847296.

The previous prime is 56155710673. The next prime is 56155710719. The reversal of 56155710715 is 51701755165.

It is a cyclic number.

It is not a de Polignac number, because 56155710715 - 2⁷ = 56155710587 is a prime.

It is a super-2 number, since 2×56155710715² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56155710719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 360579 + ... + 492268.

It is an arithmetic number, because the mean of its divisors is an integer number (4540136328).

Almost surely, 2^56155710715 is an apocalyptic number.

56155710715 is a deficient number, since it is larger than the sum of its proper divisors (16486470533).

56155710715 is a wasteful number, since it uses less digits than its factorization.

56155710715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 853878.

The product of its (nonzero) digits is 183750, while the sum is 43.

The spelling of 56155710715 in words is "fifty-six billion, one hundred fifty-five million, seven hundred ten thousand, seven hundred fifteen".