13015445432 has 16 divisors (see below), whose sum is σ = 26622502200. Its totient is φ = 5916111520.

The previous prime is 13015445431. The next prime is 13015445441. The reversal of 13015445432 is 23454451031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13015445431) 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, 73951307 + ... + 73951482.

Almost surely, 2^13015445432 is an apocalyptic number.

It is an amenable number.

13015445432 is an abundant number, since it is smaller than the sum of its proper divisors (13607056768).

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

13015445432 is a wasteful number, since it uses less digits than its factorization.

13015445432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147902806 (or 147902802 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 13015445432 its reverse (23454451031), we get a palindrome (36469896463).

The spelling of 13015445432 in words is "thirteen billion, fifteen million, four hundred forty-five thousand, four hundred thirty-two".