56256620510403 has 24 divisors (see below), whose sum is σ = 81511911803088. Its totient is φ = 37387975629312.

The previous prime is 56256620510401. The next prime is 56256620510413. The reversal of 56256620510403 is 30401502665265.

56256620510403 is a `hidden beast` number, since 5 + 6 + 2 + 5 + 6 + 620 + 5 + 10 + 4 + 0 + 3 = 666.

56256620510403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56256620510403 - 2¹ = 56256620510401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56256620510401) 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 23 ways as a sum of consecutive naturals, for example, 20815951 + ... + 23362727.

It is an arithmetic number, because the mean of its divisors is an integer number (3396329658462).

Almost surely, 2^{56256620510403} is an apocalyptic number.

56256620510403 is a deficient number, since it is larger than the sum of its proper divisors (25255291292685).

56256620510403 is a wasteful number, since it uses less digits than its factorization.

56256620510403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2554403 (or 2554400 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 45.

The spelling of 56256620510403 in words is "fifty-six trillion, two hundred fifty-six billion, six hundred twenty million, five hundred ten thousand, four hundred three".