13112117904 has 80 divisors (see below), whose sum is σ = 35032043520. Its totient is φ = 4223506560.

The previous prime is 13112117899. The next prime is 13112117927. The reversal of 13112117904 is 40971121131.

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 15 ways as a sum of consecutive naturals, for example, 141439 + ... + 215009.

It is an arithmetic number, because the mean of its divisors is an integer number (437900544).

Almost surely, 2^13112117904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13112117904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17516021760).

13112117904 is an abundant number, since it is smaller than the sum of its proper divisors (21919925616).

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

13112117904 is a wasteful number, since it uses less digits than its factorization.

13112117904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73708 (or 73702 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 30.

The spelling of 13112117904 in words is "thirteen billion, one hundred twelve million, one hundred seventeen thousand, nine hundred four".