13133616512 has 32 divisors (see below), whose sum is σ = 27066862800. Its totient is φ = 6340364800.

The previous prime is 13133616499. The next prime is 13133616557. The reversal of 13133616512 is 21561633131.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×13133616512² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

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, 1765364 + ... + 1772787.

Almost surely, 2^13133616512 is an apocalyptic number.

It is an amenable number.

13133616512 is an abundant number, since it is smaller than the sum of its proper divisors (13933246288).

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

13133616512 is an equidigital number, since it uses as much as digits as its factorization.

13133616512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3538194 (or 3538182 counting only the distinct ones).

The product of its digits is 9720, while the sum is 32.

The spelling of 13133616512 in words is "thirteen billion, one hundred thirty-three million, six hundred sixteen thousand, five hundred twelve".