56512415459 has 2 divisors, whose sum is σ = 56512415460. Its totient is φ = 56512415458.

The previous prime is 56512415387. The next prime is 56512415467. The reversal of 56512415459 is 95451421565.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56512415459 - 2²⁰ = 56511366883 is a prime.

It is not a weakly prime, because it can be changed into another prime (56512405459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28256207729 + 28256207730.

It is an arithmetic number, because the mean of its divisors is an integer number (28256207730).

Almost surely, 2^56512415459 is an apocalyptic number.

56512415459 is a deficient number, since it is larger than the sum of its proper divisors (1).

56512415459 is an equidigital number, since it uses as much as digits as its factorization.

56512415459 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1080000, while the sum is 47.

The spelling of 56512415459 in words is "fifty-six billion, five hundred twelve million, four hundred fifteen thousand, four hundred fifty-nine".