255702111808 has 112 divisors (see below), whose sum is σ = 608801082624. Its totient is φ = 105004707840.

The previous prime is 255702111719. The next prime is 255702111827. The reversal of 255702111808 is 808111207552.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132916 + ... + 727372.

It is an arithmetic number, because the mean of its divisors is an integer number (5435723952).

Almost surely, 2^255702111808 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 255702111808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (304400541312).

255702111808 is an abundant number, since it is smaller than the sum of its proper divisors (353098970816).

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

255702111808 is a wasteful number, since it uses less digits than its factorization.

255702111808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594540 (or 594530 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 40.

The spelling of 255702111808 in words is "two hundred fifty-five billion, seven hundred two million, one hundred eleven thousand, eight hundred eight".