256101570772 has 24 divisors (see below), whose sum is σ = 451078490016. Its totient is φ = 127222169568.

The previous prime is 256101570691. The next prime is 256101570773. The reversal of 256101570772 is 277075101652.

256101570772 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256101570773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9835923 + ... + 9861925.

It is an arithmetic number, because the mean of its divisors is an integer number (18794937084).

Almost surely, 2^256101570772 is an apocalyptic number.

It is an amenable number.

256101570772 is a deficient number, since it is larger than the sum of its proper divisors (194976919244).

256101570772 is a wasteful number, since it uses less digits than its factorization.

256101570772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41847 (or 41845 counting only the distinct ones).

The product of its (nonzero) digits is 205800, while the sum is 43.

The spelling of 256101570772 in words is "two hundred fifty-six billion, one hundred one million, five hundred seventy thousand, seven hundred seventy-two".