2256312165250 has 64 divisors (see below), whose sum is σ = 4962245887872. Its totient is φ = 757363512000.

The previous prime is 2256312165193. The next prime is 2256312165253. The reversal of 2256312165250 is 525612136522.

It is not an unprimeable number, because it can be changed into a prime (2256312165253) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31521064 + ... + 31592563.

It is an arithmetic number, because the mean of its divisors is an integer number (77535091998).

Almost surely, 2^{2256312165250} is an apocalyptic number.

2256312165250 is an abundant number, since it is smaller than the sum of its proper divisors (2705933722622).

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

2256312165250 is a wasteful number, since it uses less digits than its factorization.

2256312165250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63113668 (or 63113658 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 40.

The spelling of 2256312165250 in words is "two trillion, two hundred fifty-six billion, three hundred twelve million, one hundred sixty-five thousand, two hundred fifty".