11179178916 has 12 divisors (see below), whose sum is σ = 26084750832. Its totient is φ = 3726392968.

The previous prime is 11179178909. The next prime is 11179178921. The reversal of 11179178916 is 61987197111.

It is a happy number.

11179178916 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 465799110 + ... + 465799133.

It is an arithmetic number, because the mean of its divisors is an integer number (2173729236).

Almost surely, 2^11179178916 is an apocalyptic number.

It is an amenable number.

11179178916 is an abundant number, since it is smaller than the sum of its proper divisors (14905571916).

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

11179178916 is a wasteful number, since it uses less digits than its factorization.

11179178916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931598250 (or 931598248 counting only the distinct ones).

The product of its digits is 190512, while the sum is 51.

The spelling of 11179178916 in words is "eleven billion, one hundred seventy-nine million, one hundred seventy-eight thousand, nine hundred sixteen".