13116526544 has 40 divisors (see below), whose sum is σ = 27893711712. Its totient is φ = 5925467520.

The previous prime is 13116526517. The next prime is 13116526561. The reversal of 13116526544 is 44562561131.

It is a junction number, because it is equal to n+sod(n) for n = 13116526498 and 13116526507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199919 + ... + 257294.

Almost surely, 2^13116526544 is an apocalyptic number.

It is an amenable number.

13116526544 is an abundant number, since it is smaller than the sum of its proper divisors (14777185168).

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

13116526544 is a wasteful number, since it uses less digits than its factorization.

13116526544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457395 (or 457389 counting only the distinct ones).

The product of its digits is 86400, while the sum is 38.

The spelling of 13116526544 in words is "thirteen billion, one hundred sixteen million, five hundred twenty-six thousand, five hundred forty-four".