15217013216 has 24 divisors (see below), whose sum is σ = 29961250704. Its totient is φ = 7607806720.

The previous prime is 15217013209. The next prime is 15217013219. The reversal of 15217013216 is 61231071251.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15217013219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 634076 + ... + 657636.

It is an arithmetic number, because the mean of its divisors is an integer number (1248385446).

Almost surely, 2^15217013216 is an apocalyptic number.

15217013216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

15217013216 is a deficient number, since it is larger than the sum of its proper divisors (14744237488).

15217013216 is a wasteful number, since it uses less digits than its factorization.

15217013216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43754 (or 43746 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 29.

Adding to 15217013216 its reverse (61231071251), we get a palindrome (76448084467).

The spelling of 15217013216 in words is "fifteen billion, two hundred seventeen million, thirteen thousand, two hundred sixteen".