85525282048145 has 4 divisors (see below), whose sum is σ = 102630338457780. Its totient is φ = 68420225638512.

The previous prime is 85525282048123. The next prime is 85525282048169. The reversal of 85525282048145 is 54184028252558.

It is a Cunningham number, because it is equal to 9247988²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 30789092659264 + 54736189388881 = 5548792^2 + 7398391^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85525282048145 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8552528204810 + ... + 8552528204819.

It is an arithmetic number, because the mean of its divisors is an integer number (25657584614445).

Almost surely, 2^{85525282048145} is an apocalyptic number.

It is an amenable number.

85525282048145 is a deficient number, since it is larger than the sum of its proper divisors (17105056409635).

85525282048145 is a wasteful number, since it uses less digits than its factorization.

85525282048145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17105056409634.

The product of its (nonzero) digits is 40960000, while the sum is 59.

The spelling of 85525282048145 in words is "eighty-five trillion, five hundred twenty-five billion, two hundred eighty-two million, forty-eight thousand, one hundred forty-five".