255313452221000 has 32 divisors (see below), whose sum is σ = 597433478199480. Its totient is φ = 102125380888000.

The previous prime is 255313452220961. The next prime is 255313452221039. The reversal of 255313452221000 is 122254313552.

It is an interprime number because it is at equal distance from previous prime (255313452220961) and next prime (255313452221039).

It can be written as a sum of positive squares in 4 ways, for example, as 129426982053604 + 125886470167396 = 11376598^2 + 11219914^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127656725111 + ... + 127656727110.

Almost surely, 2^{255313452221000} is an apocalyptic number.

255313452221000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255313452221000 is an abundant number, since it is smaller than the sum of its proper divisors (342120025978480).

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

255313452221000 is a wasteful number, since it uses less digits than its factorization.

255313452221000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255313452242 (or 255313452228 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

The spelling of 255313452221000 in words is "two hundred fifty-five trillion, three hundred thirteen billion, four hundred fifty-two million, two hundred twenty-one thousand".