56511205524365 has 16 divisors (see below), whose sum is σ = 67976158666752. Its totient is φ = 45100553842944.

The previous prime is 56511205524341. The next prime is 56511205524377. The reversal of 56511205524365 is 56342550211565.

It is a cyclic number.

It is not a de Polignac number, because 56511205524365 - 2¹⁸ = 56511205262221 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 3048692 + ... + 11059698.

It is an arithmetic number, because the mean of its divisors is an integer number (4248509916672).

Almost surely, 2^{56511205524365} is an apocalyptic number.

It is an amenable number.

56511205524365 is a deficient number, since it is larger than the sum of its proper divisors (11464953142387).

56511205524365 is a wasteful number, since it uses less digits than its factorization.

56511205524365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8014396.

The product of its (nonzero) digits is 5400000, while the sum is 50.

The spelling of 56511205524365 in words is "fifty-six trillion, five hundred eleven billion, two hundred five million, five hundred twenty-four thousand, three hundred sixty-five".