13531142552 has 16 divisors (see below), whose sum is σ = 25377219000. Its totient is φ = 6763884160.

The previous prime is 13531142491. The next prime is 13531142557. The reversal of 13531142552 is 25524113531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13531142557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176474 + ... + 241257.

Almost surely, 2^13531142552 is an apocalyptic number.

It is an amenable number.

13531142552 is a deficient number, since it is larger than the sum of its proper divisors (11846076448).

13531142552 is a wasteful number, since it uses less digits than its factorization.

13531142552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421786 (or 421782 counting only the distinct ones).

The product of its digits is 18000, while the sum is 32.

The spelling of 13531142552 in words is "thirteen billion, five hundred thirty-one million, one hundred forty-two thousand, five hundred fifty-two".