15712201613648 has 30 divisors (see below), whose sum is σ = 32338456488126. Its totient is φ = 7393977227776.

The previous prime is 15712201613629. The next prime is 15712201613707. The reversal of 15712201613648 is 84631610221751.

It can be written as a sum of positive squares in 3 ways, for example, as 2110651084864 + 13601550528784 = 1452808^2 + 3688028^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1698979115 + ... + 1698988362.

Almost surely, 2^{15712201613648} is an apocalyptic number.

It is an amenable number.

15712201613648 is an abundant number, since it is smaller than the sum of its proper divisors (16626254874478).

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

15712201613648 is a wasteful number, since it uses less digits than its factorization.

15712201613648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3397967519 (or 3397967496 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 47.

The spelling of 15712201613648 in words is "fifteen trillion, seven hundred twelve billion, two hundred one million, six hundred thirteen thousand, six hundred forty-eight".