13611645112 has 16 divisors (see below), whose sum is σ = 27485052840. Its totient is φ = 6282297696.

The previous prime is 13611645109. The next prime is 13611645139. The reversal of 13611645112 is 21154611631.

It is a congruent number.

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, 65440498 + ... + 65440705.

Almost surely, 2^13611645112 is an apocalyptic number.

It is an amenable number.

13611645112 is an abundant number, since it is smaller than the sum of its proper divisors (13873407728).

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

13611645112 is a wasteful number, since it uses less digits than its factorization.

13611645112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130881222 (or 130881218 counting only the distinct ones).

The product of its digits is 4320, while the sum is 31.

The spelling of 13611645112 in words is "thirteen billion, six hundred eleven million, six hundred forty-five thousand, one hundred twelve".