255553086830856 has 64 divisors (see below), whose sum is σ = 639052128624000. Its totient is φ = 85161776329728.

The previous prime is 255553086830851. The next prime is 255553086830857. The reversal of 255553086830856 is 658038680355552.

It is not an unprimeable number, because it can be changed into a prime (255553086830851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2165039616 + ... + 2165157648.

It is an arithmetic number, because the mean of its divisors is an integer number (9985189509750).

Almost surely, 2^{255553086830856} is an apocalyptic number.

It is an amenable number.

255553086830856 is an abundant number, since it is smaller than the sum of its proper divisors (383499041793144).

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

255553086830856 is a wasteful number, since it uses less digits than its factorization.

255553086830856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141198 (or 141194 counting only the distinct ones).

The product of its (nonzero) digits is 1036800000, while the sum is 69.

The spelling of 255553086830856 in words is "two hundred fifty-five trillion, five hundred fifty-three billion, eighty-six million, eight hundred thirty thousand, eight hundred fifty-six".