15755257266664 has 32 divisors (see below), whose sum is σ = 29775104593920. Its totient is φ = 7815235167936.

The previous prime is 15755257266659. The next prime is 15755257266701. The reversal of 15755257266664 is 46666275255751.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 15755257266664.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 22095537 + ... + 22797439.

It is an arithmetic number, because the mean of its divisors is an integer number (930472018560).

Almost surely, 2^{15755257266664} is an apocalyptic number.

It is an amenable number.

15755257266664 is a deficient number, since it is larger than the sum of its proper divisors (14019847327256).

15755257266664 is a wasteful number, since it uses less digits than its factorization.

15755257266664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724129 (or 724125 counting only the distinct ones).

The product of its digits is 635040000, while the sum is 67.

The spelling of 15755257266664 in words is "fifteen trillion, seven hundred fifty-five billion, two hundred fifty-seven million, two hundred sixty-six thousand, six hundred sixty-four".