15016518016656 has 80 divisors (see below), whose sum is σ = 42905823893184. Its totient is φ = 4495589586432.

The previous prime is 15016518016609. The next prime is 15016518016667. The reversal of 15016518016656 is 65661081561051.

It is a junction number, because it is equal to n+sod(n) for n = 15016518016599 and 15016518016608.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 325178706 + ... + 325224881.

Almost surely, 2^{15016518016656} is an apocalyptic number.

15016518016656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

15016518016656 is an abundant number, since it is smaller than the sum of its proper divisors (27889305876528).

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

15016518016656 is a wasteful number, since it uses less digits than its factorization.

15016518016656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650403648 (or 650403642 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 51.

The spelling of 15016518016656 in words is "fifteen trillion, sixteen billion, five hundred eighteen million, sixteen thousand, six hundred fifty-six".