11808931862 has 32 divisors (see below), whose sum is σ = 21871309824. Its totient is φ = 4656621600.

The previous prime is 11808931861. The next prime is 11808931873. The reversal of 11808931862 is 26813980811.

11808931862 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11808931861) 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, 47714 + ... + 160917.

It is an arithmetic number, because the mean of its divisors is an integer number (683478432).

Almost surely, 2^11808931862 is an apocalyptic number.

11808931862 is a deficient number, since it is larger than the sum of its proper divisors (10062377962).

11808931862 is a wasteful number, since it uses less digits than its factorization.

11808931862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208964.

The product of its (nonzero) digits is 165888, while the sum is 47.

The spelling of 11808931862 in words is "eleven billion, eight hundred eight million, nine hundred thirty-one thousand, eight hundred sixty-two".