85525282048169 has 2 divisors, whose sum is σ = 85525282048170. Its totient is φ = 85525282048168.

The previous prime is 85525282048123. The next prime is 85525282048211. The reversal of 85525282048169 is 96184028252558.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85525282048144 + 25 = 9247988^2 + 5^2 .

It is a cyclic number.

It is not a de Polignac number, because 85525282048169 - 2¹⁶ = 85525281982633 is a prime.

It is a super-2 number, since 2×85525282048169² (a number of 29 digits) contains 22 as substring.

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 (85525282048369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42762641024084 + 42762641024085.

It is an arithmetic number, because the mean of its divisors is an integer number (42762641024085).

Almost surely, 2^{85525282048169} is an apocalyptic number.

It is an amenable number.

85525282048169 is a deficient number, since it is larger than the sum of its proper divisors (1).

85525282048169 is an equidigital number, since it uses as much as digits as its factorization.

85525282048169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 110592000, while the sum is 65.

The spelling of 85525282048169 in words is "eighty-five trillion, five hundred twenty-five billion, two hundred eighty-two million, forty-eight thousand, one hundred sixty-nine".