56356866865365 has 64 divisors (see below), whose sum is σ = 98519556096000. Its totient is φ = 27282548384000.

The previous prime is 56356866865363. The next prime is 56356866865367.

56356866865365 is nontrivially palindromic in base 10.

56356866865365 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (56356866865363) and next prime (56356866865367).

It is not a de Polignac number, because 56356866865365 - 2¹ = 56356866865363 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56356866865363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1332323986 + ... + 1332366284.

It is an arithmetic number, because the mean of its divisors is an integer number (1539368064000).

Almost surely, 2^{56356866865365} is an apocalyptic number.

56356866865365 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56356866865365 is a deficient number, since it is larger than the sum of its proper divisors (42162689230635).

56356866865365 is a wasteful number, since it uses less digits than its factorization.

56356866865365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54538.

The product of its digits is 16796160000, while the sum is 78.

The spelling of 56356866865365 in words is "fifty-six trillion, three hundred fifty-six billion, eight hundred sixty-six million, eight hundred sixty-five thousand, three hundred sixty-five".