56631499099 has 16 divisors (see below), whose sum is σ = 64843054848. Its totient is φ = 48450372192.

The previous prime is 56631499049. The next prime is 56631499121. The reversal of 56631499099 is 99099413665.

It is a cyclic number.

It is not a de Polignac number, because 56631499099 - 2¹⁹ = 56630974811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56631499049) 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 in 15 ways as a sum of consecutive naturals, for example, 11000244 + ... + 11005390.

It is an arithmetic number, because the mean of its divisors is an integer number (4052690928).

Almost surely, 2^56631499099 is an apocalyptic number.

56631499099 is a deficient number, since it is larger than the sum of its proper divisors (8211555749).

56631499099 is a wasteful number, since it uses less digits than its factorization.

56631499099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7794.

The product of its (nonzero) digits is 14171760, while the sum is 61.

The spelling of 56631499099 in words is "fifty-six billion, six hundred thirty-one million, four hundred ninety-nine thousand, ninety-nine".