13112510616 has 24 divisors (see below), whose sum is σ = 35513049780. Its totient is φ = 4370836848.

The previous prime is 13112510581. The next prime is 13112510617. The reversal of 13112510616 is 61601521131.

13112510616 is a `hidden beast` number, since 1 + 3 + 11 + 25 + 10 + 616 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 13112510616.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13112510617) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 91059030 + ... + 91059173.

Almost surely, 2^13112510616 is an apocalyptic number.

It is an amenable number.

13112510616 is an abundant number, since it is smaller than the sum of its proper divisors (22400539164).

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

13112510616 is a wasteful number, since it uses less digits than its factorization.

13112510616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182118215 (or 182118208 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The spelling of 13112510616 in words is "thirteen billion, one hundred twelve million, five hundred ten thousand, six hundred sixteen".