57256357701071 has 2 divisors, whose sum is σ = 57256357701072. Its totient is φ = 57256357701070.

The previous prime is 57256357701061. The next prime is 57256357701089. The reversal of 57256357701071 is 17010775365275.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57256357701071 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57256357700998 and 57256357701016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57256357701061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28628178850535 + 28628178850536.

It is an arithmetic number, because the mean of its divisors is an integer number (28628178850536).

Almost surely, 2^{57256357701071} is an apocalyptic number.

57256357701071 is a deficient number, since it is larger than the sum of its proper divisors (1).

57256357701071 is an equidigital number, since it uses as much as digits as its factorization.

57256357701071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10804500, while the sum is 56.

The spelling of 57256357701071 in words is "fifty-seven trillion, two hundred fifty-six billion, three hundred fifty-seven million, seven hundred one thousand, seventy-one".