15313254864 has 20 divisors (see below), whose sum is σ = 39559241856. Its totient is φ = 5104418272.

The previous prime is 15313254823. The next prime is 15313254907. The reversal of 15313254864 is 46845231351.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159513024 + ... + 159513119.

Almost surely, 2^15313254864 is an apocalyptic number.

It is an amenable number.

15313254864 is an abundant number, since it is smaller than the sum of its proper divisors (24245986992).

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

15313254864 is a wasteful number, since it uses less digits than its factorization.

15313254864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319026154 (or 319026148 counting only the distinct ones).

The product of its digits is 345600, while the sum is 42.

The spelling of 15313254864 in words is "fifteen billion, three hundred thirteen million, two hundred fifty-four thousand, eight hundred sixty-four".