256101570587 has 2 divisors, whose sum is σ = 256101570588. Its totient is φ = 256101570586.

The previous prime is 256101570577. The next prime is 256101570601. The reversal of 256101570587 is 785075101652.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 256101570587 - 2²⁰ = 256100522011 is a prime.

It is not a weakly prime, because it can be changed into another prime (256101570547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128050785293 + 128050785294.

It is an arithmetic number, because the mean of its divisors is an integer number (128050785294).

Almost surely, 2^256101570587 is an apocalyptic number.

256101570587 is a deficient number, since it is larger than the sum of its proper divisors (1).

256101570587 is an equidigital number, since it uses as much as digits as its factorization.

256101570587 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 588000, while the sum is 47.

The spelling of 256101570587 in words is "two hundred fifty-six billion, one hundred one million, five hundred seventy thousand, five hundred eighty-seven".