15381248256 has 108 divisors (see below), whose sum is σ = 48379640400. Its totient is φ = 4660976640.

The previous prime is 15381248189. The next prime is 15381248303. The reversal of 15381248256 is 65284218351.

15381248256 is a `hidden beast` number, since 1 + 5 + 381 + 248 + 25 + 6 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 278106 + ... + 328793.

Almost surely, 2^15381248256 is an apocalyptic number.

15381248256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

15381248256 is an abundant number, since it is smaller than the sum of its proper divisors (32998392144).

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

15381248256 is a wasteful number, since it uses less digits than its factorization.

15381248256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606932 (or 606915 counting only the distinct ones).

The product of its digits is 460800, while the sum is 45.

The spelling of 15381248256 in words is "fifteen billion, three hundred eighty-one million, two hundred forty-eight thousand, two hundred fifty-six".