56511364505426 has 32 divisors (see below), whose sum is σ = 88538735301120. Its totient is φ = 27000850067136.

The previous prime is 56511364505419. The next prime is 56511364505437. The reversal of 56511364505426 is 62450546311565.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 793251080 + ... + 793322316.

It is an arithmetic number, because the mean of its divisors is an integer number (2766835478160).

Almost surely, 2^{56511364505426} is an apocalyptic number.

56511364505426 is a deficient number, since it is larger than the sum of its proper divisors (32027370795694).

56511364505426 is a wasteful number, since it uses less digits than its factorization.

56511364505426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87818.

The product of its (nonzero) digits is 12960000, while the sum is 53.

The spelling of 56511364505426 in words is "fifty-six trillion, five hundred eleven billion, three hundred sixty-four million, five hundred five thousand, four hundred twenty-six".