256112134524 has 120 divisors (see below), whose sum is σ = 691041415680. Its totient is φ = 82670743584.

The previous prime is 256112134489. The next prime is 256112134541. The reversal of 256112134524 is 425431211652.

256112134524 is a `hidden beast` number, since 2 + 5 + 6 + 1 + 121 + 3 + 4 + 524 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1180789 + ... + 1380755.

It is an arithmetic number, because the mean of its divisors is an integer number (5758678464).

Almost surely, 2^256112134524 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 256112134524, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (345520707840).

256112134524 is an abundant number, since it is smaller than the sum of its proper divisors (434929281156).

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

256112134524 is a wasteful number, since it uses less digits than its factorization.

256112134524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200109 (or 200098 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The spelling of 256112134524 in words is "two hundred fifty-six billion, one hundred twelve million, one hundred thirty-four thousand, five hundred twenty-four".