13042543524 has 12 divisors (see below), whose sum is σ = 30432601584. Its totient is φ = 4347514504.

The previous prime is 13042543489. The next prime is 13042543561. The reversal of 13042543524 is 42534524031.

It is a tau number, because it is divible by the number of its divisors (12).

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, 543439302 + ... + 543439325.

It is an arithmetic number, because the mean of its divisors is an integer number (2536050132).

Almost surely, 2^13042543524 is an apocalyptic number.

It is an amenable number.

13042543524 is an abundant number, since it is smaller than the sum of its proper divisors (17390058060).

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

13042543524 is a wasteful number, since it uses less digits than its factorization.

13042543524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1086878634 (or 1086878632 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 33.

The spelling of 13042543524 in words is "thirteen billion, forty-two million, five hundred forty-three thousand, five hundred twenty-four".