256725370076075 has 24 divisors (see below), whose sum is σ = 320444746092672. Its totient is φ = 204022680376320.

The previous prime is 256725370076039. The next prime is 256725370076117. The reversal of 256725370076075 is 570670073527652.

It is not a de Polignac number, because 256725370076075 - 2³⁰ = 256724296334251 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 256725370075999 and 256725370076017.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8274107 + ... + 24122843.

It is an arithmetic number, because the mean of its divisors is an integer number (13351864420528).

Almost surely, 2^{256725370076075} is an apocalyptic number.

256725370076075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

256725370076075 is a deficient number, since it is larger than the sum of its proper divisors (63719376016597).

256725370076075 is a wasteful number, since it uses less digits than its factorization.

256725370076075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15853031 (or 15853026 counting only the distinct ones).

The product of its (nonzero) digits is 129654000, while the sum is 62.

The spelling of 256725370076075 in words is "two hundred fifty-six trillion, seven hundred twenty-five billion, three hundred seventy million, seventy-six thousand, seventy-five".