256741726075 has 72 divisors (see below), whose sum is σ = 357989187920. Its totient is φ = 182107699200.

The previous prime is 256741726069. The next prime is 256741726091. The reversal of 256741726075 is 570627147652.

It is not a de Polignac number, because 256741726075 - 2³ = 256741726067 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 24841609 + ... + 24851941.

Almost surely, 2^256741726075 is an apocalyptic number.

256741726075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

256741726075 is a deficient number, since it is larger than the sum of its proper divisors (101247461845).

256741726075 is a wasteful number, since it uses less digits than its factorization.

256741726075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10577 (or 10555 counting only the distinct ones).

The product of its (nonzero) digits is 4939200, while the sum is 52.

The spelling of 256741726075 in words is "two hundred fifty-six billion, seven hundred forty-one million, seven hundred twenty-six thousand, seventy-five".