15313072516 has 27 divisors (see below), whose sum is σ = 31176567639. Its totient is φ = 6562002888.

The previous prime is 15313072499. The next prime is 15313072517. The reversal of 15313072516 is 61527031351.

The square root of 15313072516 is 123746.

It is a perfect power (a square), and thus also a powerful number.

It is not an unprimeable number, because it can be changed into a prime (15313072517) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1728025 + ... + 1736863.

Almost surely, 2^15313072516 is an apocalyptic number.

15313072516 is the 123746-th square number.

It is an amenable number.

15313072516 is an abundant number, since it is smaller than the sum of its proper divisors (15863495123).

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

15313072516 is an frugal number, since it uses more digits than its factorization.

15313072516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17696 (or 8848 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 34.

The spelling of 15313072516 in words is "fifteen billion, three hundred thirteen million, seventy-two thousand, five hundred sixteen".