15972512773056 has 112 divisors (see below), whose sum is σ = 48490258924800. Its totient is φ = 4545393408000.

The previous prime is 15972512772971. The next prime is 15972512773069. The reversal of 15972512773056 is 65037721527951.

It is a tau number, because it is divible by the number of its divisors (112).

It is a congruent number.

It is an unprimeable number.

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, 23336581 + ... + 24011268.

It is an arithmetic number, because the mean of its divisors is an integer number (432948740400).

Almost surely, 2^{15972512773056} is an apocalyptic number.

15972512773056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

15972512773056 is an abundant number, since it is smaller than the sum of its proper divisors (32517746151744).

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

15972512773056 is a wasteful number, since it uses less digits than its factorization.

15972512773056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47348122 (or 47348112 counting only the distinct ones).

The product of its (nonzero) digits is 27783000, while the sum is 60.

The spelling of 15972512773056 in words is "fifteen trillion, nine hundred seventy-two billion, five hundred twelve million, seven hundred seventy-three thousand, fifty-six".