13111888608 has 240 divisors, whose sum is σ = 47461407840. Its totient is φ = 3458018304.

The previous prime is 13111888597. The next prime is 13111888667. The reversal of 13111888608 is 80688811131.

13111888608 is a `hidden beast` number, since 1 + 31 + 1 + 1 + 8 + 8 + 8 + 608 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 208078 + ... + 263666.

It is an arithmetic number, because the mean of its divisors is an integer number (197755866).

Almost surely, 2^13111888608 is an apocalyptic number.

13111888608 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13111888608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23730703920).

13111888608 is an abundant number, since it is smaller than the sum of its proper divisors (34349519232).

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

13111888608 is a wasteful number, since it uses less digits than its factorization.

13111888608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55631 (or 55614 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 45.

The spelling of 13111888608 in words is "thirteen billion, one hundred eleven million, eight hundred eighty-eight thousand, six hundred eight".