56215251265 has 16 divisors (see below), whose sum is σ = 71016580800. Its totient is φ = 42600537792.

The previous prime is 56215251263. The next prime is 56215251269.

56215251265 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 56215251265 - 2¹ = 56215251263 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56215251263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1004359 + ... + 1058851.

It is an arithmetic number, because the mean of its divisors is an integer number (4438536300).

Almost surely, 2^56215251265 is an apocalyptic number.

It is an amenable number.

56215251265 is a deficient number, since it is larger than the sum of its proper divisors (14801329535).

56215251265 is a wasteful number, since it uses less digits than its factorization.

56215251265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65376.

The product of its digits is 180000, while the sum is 40.

The spelling of 56215251265 in words is "fifty-six billion, two hundred fifteen million, two hundred fifty-one thousand, two hundred sixty-five".