256935481116 has 24 divisors (see below), whose sum is σ = 603892156560. Its totient is φ = 85020012672.

The previous prime is 256935481063. The next prime is 256935481123. The reversal of 256935481116 is 611184539652.

It is a congruent number.

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, 78141751 + ... + 78145038.

It is an arithmetic number, because the mean of its divisors is an integer number (25162173190).

Almost surely, 2^256935481116 is an apocalyptic number.

It is an amenable number.

256935481116 is an abundant number, since it is smaller than the sum of its proper divisors (346956675444).

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

256935481116 is a wasteful number, since it uses less digits than its factorization.

256935481116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156286933 (or 156286931 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 51.

The spelling of 256935481116 in words is "two hundred fifty-six billion, nine hundred thirty-five million, four hundred eighty-one thousand, one hundred sixteen".