56256711268213 has 4 divisors (see below), whose sum is σ = 57453662571840. Its totient is φ = 55059759964588.

The previous prime is 56256711268159. The next prime is 56256711268231. The reversal of 56256711268213 is 31286211765265.

56256711268213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56256711268213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56256711268243) 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 3 ways as a sum of consecutive naturals, for example, 598475651743 + ... + 598475651836.

It is an arithmetic number, because the mean of its divisors is an integer number (14363415642960).

Almost surely, 2^{56256711268213} is an apocalyptic number.

It is an amenable number.

56256711268213 is a deficient number, since it is larger than the sum of its proper divisors (1196951303627).

56256711268213 is a wasteful number, since it uses less digits than its factorization.

56256711268213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1196951303626.

The product of its digits is 7257600, while the sum is 55.

The spelling of 56256711268213 in words is "fifty-six trillion, two hundred fifty-six billion, seven hundred eleven million, two hundred sixty-eight thousand, two hundred thirteen".