2255441136256 has 192 divisors, whose sum is σ = 6002134063200. Its totient is φ = 832493168640.

The previous prime is 2255441136217. The next prime is 2255441136281. The reversal of 2255441136256 is 6526311445522.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 450550 + ... + 2171146.

Almost surely, 2^{2255441136256} 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 2255441136256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3001067031600).

2255441136256 is an abundant number, since it is smaller than the sum of its proper divisors (3746692926944).

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

2255441136256 is a wasteful number, since it uses less digits than its factorization.

2255441136256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1720655 (or 1720636 counting only the distinct ones).

The product of its digits is 1728000, while the sum is 46.

The spelling of 2255441136256 in words is "two trillion, two hundred fifty-five billion, four hundred forty-one million, one hundred thirty-six thousand, two hundred fifty-six".