13613002500 has 120 divisors (see below), whose sum is σ = 39756898720. Its totient is φ = 3624192000.

The previous prime is 13613002489. The next prime is 13613002531. The reversal of 13613002500 is 520031631.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 6441444 + ... + 6443556.

Almost surely, 2^13613002500 is an apocalyptic number.

13613002500 is a gapful number since it is divisible by the number (10) 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 13613002500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19878449360).

13613002500 is an abundant number, since it is smaller than the sum of its proper divisors (26143896220).

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

13613002500 is a wasteful number, since it uses less digits than its factorization.

13613002500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2999 (or 2982 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 21.

The spelling of 13613002500 in words is "thirteen billion, six hundred thirteen million, two thousand, five hundred".