13531135552 has 28 divisors (see below), whose sum is σ = 29291834736. Its totient is φ = 6150515840.

The previous prime is 13531135537. The next prime is 13531135591. The reversal of 13531135552 is 25553113531.

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, 9609478 + ... + 9610885.

Almost surely, 2^13531135552 is an apocalyptic number.

It is an amenable number.

13531135552 is an abundant number, since it is smaller than the sum of its proper divisors (15760699184).

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

13531135552 is a wasteful number, since it uses less digits than its factorization.

13531135552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19220386 (or 19220376 counting only the distinct ones).

The product of its digits is 33750, while the sum is 34.

The spelling of 13531135552 in words is "thirteen billion, five hundred thirty-one million, one hundred thirty-five thousand, five hundred fifty-two".