56256966965265 has 32 divisors (see below), whose sum is σ = 98576056515456. Its totient is φ = 27169972469760.

The previous prime is 56256966965263. The next prime is 56256966965323.

56256966965265 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 56256966965265 - 2¹ = 56256966965263 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56256966965261) 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 31 ways as a sum of consecutive naturals, for example, 663287002 + ... + 663371811.

It is an arithmetic number, because the mean of its divisors is an integer number (3080501766108).

Almost surely, 2^{56256966965265} is an apocalyptic number.

56256966965265 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56256966965265 is a deficient number, since it is larger than the sum of its proper divisors (42319089550191).

56256966965265 is a wasteful number, since it uses less digits than its factorization.

56256966965265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1326659089.

The product of its digits is 9447840000, while the sum is 78.

The spelling of 56256966965265 in words is "fifty-six trillion, two hundred fifty-six billion, nine hundred sixty-six million, nine hundred sixty-five thousand, two hundred sixty-five".