11556377862 has 16 divisors (see below), whose sum is σ = 23136570432. Its totient is φ = 3848156840.

The previous prime is 11556377857. The next prime is 11556377879. The reversal of 11556377862 is 26877365511.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 985968 + ... + 997619.

It is an arithmetic number, because the mean of its divisors is an integer number (1446035652).

Almost surely, 2^11556377862 is an apocalyptic number.

11556377862 is an abundant number, since it is smaller than the sum of its proper divisors (11580192570).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11556377862 is a wasteful number, since it uses less digits than its factorization.

11556377862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1984563.

The product of its digits is 2116800, while the sum is 51.

The spelling of 11556377862 in words is "eleven billion, five hundred fifty-six million, three hundred seventy-seven thousand, eight hundred sixty-two".