56511056060699 has 2 divisors, whose sum is σ = 56511056060700. Its totient is φ = 56511056060698.

The previous prime is 56511056060647. The next prime is 56511056060717. The reversal of 56511056060699 is 99606065011565.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56511056060699 - 2²⁰ = 56511055012123 is a prime.

It is not a weakly prime, because it can be changed into another prime (56511056060609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28255528030349 + 28255528030350.

It is an arithmetic number, because the mean of its divisors is an integer number (28255528030350).

Almost surely, 2^{56511056060699} is an apocalyptic number.

56511056060699 is a deficient number, since it is larger than the sum of its proper divisors (1).

56511056060699 is an equidigital number, since it uses as much as digits as its factorization.

56511056060699 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13122000, while the sum is 59.

The spelling of 56511056060699 in words is "fifty-six trillion, five hundred eleven billion, fifty-six million, sixty thousand, six hundred ninety-nine".