57012721716277 has 2 divisors, whose sum is σ = 57012721716278. Its totient is φ = 57012721716276.

The previous prime is 57012721716259. The next prime is 57012721716287. The reversal of 57012721716277 is 77261712721075.

57012721716277 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31580005312881 + 25432716403396 = 5619609^2 + 5043086^2 .

It is a cyclic number.

It is not a de Polignac number, because 57012721716277 - 2³⁵ = 56978361977909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57012721716227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28506360858138 + 28506360858139.

It is an arithmetic number, because the mean of its divisors is an integer number (28506360858139).

Almost surely, 2^{57012721716277} is an apocalyptic number.

It is an amenable number.

57012721716277 is a deficient number, since it is larger than the sum of its proper divisors (1).

57012721716277 is an equidigital number, since it uses as much as digits as its factorization.

57012721716277 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4033680, while the sum is 55.

The spelling of 57012721716277 in words is "fifty-seven trillion, twelve billion, seven hundred twenty-one million, seven hundred sixteen thousand, two hundred seventy-seven".