256960112153 has 2 divisors, whose sum is σ = 256960112154. Its totient is φ = 256960112152.

The previous prime is 256960112141. The next prime is 256960112203. The reversal of 256960112153 is 351211069652.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 189062344969 + 67897767184 = 434813^2 + 260572^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-256960112153 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 256960112153.

It is not a weakly prime, because it can be changed into another prime (256960112953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128480056076 + 128480056077.

It is an arithmetic number, because the mean of its divisors is an integer number (128480056077).

Almost surely, 2^256960112153 is an apocalyptic number.

It is an amenable number.

256960112153 is a deficient number, since it is larger than the sum of its proper divisors (1).

256960112153 is an equidigital number, since it uses as much as digits as its factorization.

256960112153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 97200, while the sum is 41.

The spelling of 256960112153 in words is "two hundred fifty-six billion, nine hundred sixty million, one hundred twelve thousand, one hundred fifty-three".