11108915120 has 20 divisors (see below), whose sum is σ = 25828227840. Its totient is φ = 4443566016.

The previous prime is 11108915057. The next prime is 11108915179. The reversal of 11108915120 is 2151980111.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×11108915120² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69430640 + ... + 69430799.

It is an arithmetic number, because the mean of its divisors is an integer number (1291411392).

Almost surely, 2^11108915120 is an apocalyptic number.

11108915120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11108915120 is an abundant number, since it is smaller than the sum of its proper divisors (14719312720).

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

11108915120 is a wasteful number, since it uses less digits than its factorization.

11108915120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138861452 (or 138861446 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 29.

The spelling of 11108915120 in words is "eleven billion, one hundred eight million, nine hundred fifteen thousand, one hundred twenty".