13013525504 has 88 divisors (see below), whose sum is σ = 30422808768. Its totient is φ = 5447393280.

The previous prime is 13013525491. The next prime is 13013525531. The reversal of 13013525504 is 40552531031.

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, 287114 + ... + 329334.

It is an arithmetic number, because the mean of its divisors is an integer number (345713736).

Almost surely, 2^13013525504 is an apocalyptic number.

13013525504 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13013525504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15211404384).

13013525504 is an abundant number, since it is smaller than the sum of its proper divisors (17409283264).

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

13013525504 is an equidigital number, since it uses as much as digits as its factorization.

13013525504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42291 (or 42273 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 29.

The spelling of 13013525504 in words is "thirteen billion, thirteen million, five hundred twenty-five thousand, five hundred four".