2556258321100 has 72 divisors (see below), whose sum is σ = 6075470270016. Its totient is φ = 925845000000.

The previous prime is 2556258321091. The next prime is 2556258321131. The reversal of 2556258321100 is 11238526552.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4353126 + ... + 4905325.

It is an arithmetic number, because the mean of its divisors is an integer number (84381531528).

Almost surely, 2^{2556258321100} is an apocalyptic number.

2556258321100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2556258321100 is an abundant number, since it is smaller than the sum of its proper divisors (3519211948916).

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

2556258321100 is a wasteful number, since it uses less digits than its factorization.

2556258321100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9258727 (or 9258720 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 40.

The spelling of 2556258321100 in words is "two trillion, five hundred fifty-six billion, two hundred fifty-eight million, three hundred twenty-one thousand, one hundred".