10256426140957 has 2 divisors, whose sum is σ = 10256426140958. Its totient is φ = 10256426140956.

The previous prime is 10256426140943. The next prime is 10256426141147. The reversal of 10256426140957 is 75904162465201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9320497596601 + 935928544356 = 3052949^2 + 967434^2 .

It is a cyclic number.

It is not a de Polignac number, because 10256426140957 - 2³⁹ = 9706670327069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10256426146957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5128213070478 + 5128213070479.

It is an arithmetic number, because the mean of its divisors is an integer number (5128213070479).

Almost surely, 2^{10256426140957} is an apocalyptic number.

It is an amenable number.

10256426140957 is a deficient number, since it is larger than the sum of its proper divisors (1).

10256426140957 is an equidigital number, since it uses as much as digits as its factorization.

10256426140957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3628800, while the sum is 52.

The spelling of 10256426140957 in words is "ten trillion, two hundred fifty-six billion, four hundred twenty-six million, one hundred forty thousand, nine hundred fifty-seven".