255801128796 has 108 divisors (see below), whose sum is σ = 677298878256. Its totient is φ = 81385326720.

The previous prime is 255801128711. The next prime is 255801128797. The reversal of 255801128796 is 697821108552.

255801128796 is a `hidden beast` number, since 2 + 558 + 0 + 1 + 1 + 2 + 87 + 9 + 6 = 666.

255801128796 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255801128797) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2474865 + ... + 2576151.

Almost surely, 2^255801128796 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255801128796, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (338649439128).

255801128796 is an abundant number, since it is smaller than the sum of its proper divisors (421497749460).

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

255801128796 is a wasteful number, since it uses less digits than its factorization.

255801128796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101432 (or 101396 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 54.

The spelling of 255801128796 in words is "two hundred fifty-five billion, eight hundred one million, one hundred twenty-eight thousand, seven hundred ninety-six".