15240050564456 has 8 divisors (see below), whose sum is σ = 28575094808370. Its totient is φ = 7620025282224.

The previous prime is 15240050564441. The next prime is 15240050564539. The reversal of 15240050564456 is 65446505004251.

It can be written as a sum of positive squares in only one way, i.e., 9109326003556 + 6130724560900 = 3018166^2 + 2476030^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 15240050564456.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 952503160271 + ... + 952503160286.

Almost surely, 2^{15240050564456} is an apocalyptic number.

It is an amenable number.

15240050564456 is a deficient number, since it is larger than the sum of its proper divisors (13335044243914).

15240050564456 is a wasteful number, since it uses less digits than its factorization.

15240050564456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1905006320563 (or 1905006320559 counting only the distinct ones).

The product of its (nonzero) digits is 2880000, while the sum is 47.

The spelling of 15240050564456 in words is "fifteen trillion, two hundred forty billion, fifty million, five hundred sixty-four thousand, four hundred fifty-six".