15016216515 has 16 divisors (see below), whose sum is σ = 25290470400. Its totient is φ = 7587140832.

The previous prime is 15016216507. The next prime is 15016216519. The reversal of 15016216515 is 51561261051.

It is not a de Polignac number, because 15016216515 - 2³ = 15016216507 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15016216519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26343955 + ... + 26344524.

It is an arithmetic number, because the mean of its divisors is an integer number (1580654400).

Almost surely, 2^15016216515 is an apocalyptic number.

15016216515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

15016216515 is a deficient number, since it is larger than the sum of its proper divisors (10274253885).

15016216515 is a wasteful number, since it uses less digits than its factorization.

15016216515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52688506.

The product of its (nonzero) digits is 9000, while the sum is 33.

Adding to 15016216515 its reverse (51561261051), we get a palindrome (66577477566).

The spelling of 15016216515 in words is "fifteen billion, sixteen million, two hundred sixteen thousand, five hundred fifteen".