15200544256 has 40 divisors (see below), whose sum is σ = 30572690544. Its totient is φ = 7549900800.

The previous prime is 15200544251. The next prime is 15200544347. The reversal of 15200544256 is 65244500251.

It is a super-2 number, since 2×15200544256² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15200544251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20995 + ... + 175618.

Almost surely, 2^15200544256 is an apocalyptic number.

15200544256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

15200544256 is an abundant number, since it is smaller than the sum of its proper divisors (15372146288).

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

15200544256 is an equidigital number, since it uses as much as digits as its factorization.

15200544256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196782 (or 196766 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 34.

The spelling of 15200544256 in words is "fifteen billion, two hundred million, five hundred forty-four thousand, two hundred fifty-six".