56511005099 has 2 divisors, whose sum is σ = 56511005100. Its totient is φ = 56511005098.

The previous prime is 56511005069. The next prime is 56511005143. The reversal of 56511005099 is 99050011565.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56511005099 - 2⁸ = 56511004843 is a prime.

It is not a weakly prime, because it can be changed into another prime (56511005009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28255502549 + 28255502550.

It is an arithmetic number, because the mean of its divisors is an integer number (28255502550).

Almost surely, 2^56511005099 is an apocalyptic number.

56511005099 is a deficient number, since it is larger than the sum of its proper divisors (1).

56511005099 is an equidigital number, since it uses as much as digits as its factorization.

56511005099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60750, while the sum is 41.

The spelling of 56511005099 in words is "fifty-six billion, five hundred eleven million, five thousand, ninety-nine".