15715000015 has 16 divisors (see below), whose sum is σ = 22154854176. Its totient is φ = 10549929600.

The previous prime is 15714999983. The next prime is 15715000019. The reversal of 15715000015 is 51000051751.

15715000015 = T₂₁₉₅₇ + T₂₁₉₅₈ + ... + T₂₂₀₂₁.

It is not a de Polignac number, because 15715000015 - 2⁵ = 15714999983 is a prime.

It is a super-2 number, since 2×15715000015² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15715000019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10988796 + ... + 10990225.

It is an arithmetic number, because the mean of its divisors is an integer number (1384678386).

Almost surely, 2^15715000015 is an apocalyptic number.

15715000015 is a deficient number, since it is larger than the sum of its proper divisors (6439854161).

15715000015 is a wasteful number, since it uses less digits than its factorization.

15715000015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21979050.

The product of its (nonzero) digits is 875, while the sum is 25.

Adding to 15715000015 its reverse (51000051751), we get a palindrome (66715051766).

The spelling of 15715000015 in words is "fifteen billion, seven hundred fifteen million, fifteen", and thus it is an aban number.