57256357701089 has 2 divisors, whose sum is σ = 57256357701090. Its totient is φ = 57256357701088.

The previous prime is 57256357701071. The next prime is 57256357701167. The reversal of 57256357701089 is 98010775365275.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56117478145600 + 1138879555489 = 7491160^2 + 1067183^2 .

It is a cyclic number.

It is not a de Polignac number, because 57256357701089 - 2⁴⁰ = 56156846073313 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (57256357781089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28628178850544 + 28628178850545.

It is an arithmetic number, because the mean of its divisors is an integer number (28628178850545).

Almost surely, 2^{57256357701089} is an apocalyptic number.

It is an amenable number.

57256357701089 is a deficient number, since it is larger than the sum of its proper divisors (1).

57256357701089 is an equidigital number, since it uses as much as digits as its factorization.

57256357701089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 111132000, while the sum is 65.

The spelling of 57256357701089 in words is "fifty-seven trillion, two hundred fifty-six billion, three hundred fifty-seven million, seven hundred one thousand, eighty-nine".