171258706967053 has 2 divisors, whose sum is σ = 171258706967054. Its totient is φ = 171258706967052.

The previous prime is 171258706967017. The next prime is 171258706967111. The reversal of 171258706967053 is 350769607852171.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 168392095653604 + 2866611313449 = 12976598^2 + 1693107^2 .

It is a cyclic number.

It is not a de Polignac number, because 171258706967053 - 2¹⁷ = 171258706835981 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 171258706967053.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (171258706968053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85629353483526 + 85629353483527.

It is an arithmetic number, because the mean of its divisors is an integer number (85629353483527).

Almost surely, 2^{171258706967053} is an apocalyptic number.

It is an amenable number.

171258706967053 is a deficient number, since it is larger than the sum of its proper divisors (1).

171258706967053 is an equidigital number, since it uses as much as digits as its factorization.

171258706967053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 133358400, while the sum is 67.

The spelling of 171258706967053 in words is "one hundred seventy-one trillion, two hundred fifty-eight billion, seven hundred six million, nine hundred sixty-seven thousand, fifty-three".