56380911499 has 16 divisors (see below), whose sum is σ = 62684388864. Its totient is φ = 50274296800.

The previous prime is 56380911497. The next prime is 56380911541. The reversal of 56380911499 is 99411908365.

It is a cyclic number.

It is not a de Polignac number, because 56380911499 - 2¹ = 56380911497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56380911493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2478672 + ... + 2501314.

It is an arithmetic number, because the mean of its divisors is an integer number (3917774304).

Almost surely, 2^56380911499 is an apocalyptic number.

56380911499 is a deficient number, since it is larger than the sum of its proper divisors (6303477365).

56380911499 is a wasteful number, since it uses less digits than its factorization.

56380911499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26978.

The product of its (nonzero) digits is 2099520, while the sum is 55.

The spelling of 56380911499 in words is "fifty-six billion, three hundred eighty million, nine hundred eleven thousand, four hundred ninety-nine".