13113543252 has 24 divisors (see below), whose sum is σ = 30600356416. Its totient is φ = 4370882688.

The previous prime is 13113543241. The next prime is 13113543269. The reversal of 13113543252 is 25234531131.

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, 212988 + ... + 267564.

Almost surely, 2^13113543252 is an apocalyptic number.

13113543252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13113543252 is an abundant number, since it is smaller than the sum of its proper divisors (17486813164).

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

13113543252 is a wasteful number, since it uses less digits than its factorization.

13113543252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74607 (or 74605 counting only the distinct ones).

The product of its digits is 10800, while the sum is 30.

The spelling of 13113543252 in words is "thirteen billion, one hundred thirteen million, five hundred forty-three thousand, two hundred fifty-two".