255331091288 has 64 divisors (see below), whose sum is σ = 589428913920. Its totient is φ = 100975248000.

The previous prime is 255331091261. The next prime is 255331091311. The reversal of 255331091288 is 882190133552.

It is a congruent number.

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, 2103863 + ... + 2221913.

It is an arithmetic number, because the mean of its divisors is an integer number (9209826780).

Almost surely, 2^255331091288 is an apocalyptic number.

255331091288 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

255331091288 is an abundant number, since it is smaller than the sum of its proper divisors (334097822632).

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

255331091288 is a wasteful number, since it uses less digits than its factorization.

255331091288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121048 (or 121044 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 47.

The spelling of 255331091288 in words is "two hundred fifty-five billion, three hundred thirty-one million, ninety-one thousand, two hundred eighty-eight".