15040520000 has 140 divisors (see below), whose sum is σ = 40687300896. Its totient is φ = 5469120000.

The previous prime is 15040519997. The next prime is 15040520039. The reversal of 15040520000 is 2504051.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 422909 + ... + 457091.

Almost surely, 2^15040520000 is an apocalyptic number.

15040520000 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 15040520000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20343650448).

15040520000 is an abundant number, since it is smaller than the sum of its proper divisors (25646780896).

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

15040520000 is an equidigital number, since it uses as much as digits as its factorization.

15040520000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34226 (or 34201 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 17.

The spelling of 15040520000 in words is "fifteen billion, forty million, five hundred twenty thousand".