56565511556459 has 2 divisors, whose sum is σ = 56565511556460. Its totient is φ = 56565511556458.

The previous prime is 56565511556423. The next prime is 56565511556507. The reversal of 56565511556459 is 95465511556565.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56565511556459 is a prime.

It is not a weakly prime, because it can be changed into another prime (56565511556159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28282755778229 + 28282755778230.

It is an arithmetic number, because the mean of its divisors is an integer number (28282755778230).

Almost surely, 2^{56565511556459} is an apocalyptic number.

56565511556459 is a deficient number, since it is larger than the sum of its proper divisors (1).

56565511556459 is an equidigital number, since it uses as much as digits as its factorization.

56565511556459 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 607500000, while the sum is 68.

The spelling of 56565511556459 in words is "fifty-six trillion, five hundred sixty-five billion, five hundred eleven million, five hundred fifty-six thousand, four hundred fifty-nine".