255013656560 has 160 divisors (see below), whose sum is σ = 653572668672. Its totient is φ = 91947479040.

The previous prime is 255013656523. The next prime is 255013656587. The reversal of 255013656560 is 65656310552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22528022 + ... + 22539338.

Almost surely, 2^255013656560 is an apocalyptic number.

255013656560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255013656560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (326786334336).

255013656560 is an abundant number, since it is smaller than the sum of its proper divisors (398559012112).

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

255013656560 is a wasteful number, since it uses less digits than its factorization.

255013656560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11851 (or 11845 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 44.

The spelling of 255013656560 in words is "two hundred fifty-five billion, thirteen million, six hundred fifty-six thousand, five hundred sixty".