85862725581185 has 24 divisors (see below), whose sum is σ = 119874686014440. Its totient is φ = 58868784409344.

The previous prime is 85862725581167. The next prime is 85862725581211. The reversal of 85862725581185 is 58118552726858.

It can be written as a sum of positive squares in 4 ways, for example, as 40749378658576 + 45113346922609 = 6383524^2 + 6716647^2 .

It is not a de Polignac number, because 85862725581185 - 2¹⁰ = 85862725580161 is a prime.

It is a Curzon number.

It is an unprimeable number.

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 in 23 ways as a sum of consecutive naturals, for example, 23638580 + ... + 27027909.

It is an arithmetic number, because the mean of its divisors is an integer number (4994778583935).

Almost surely, 2^{85862725581185} is an apocalyptic number.

It is an amenable number.

85862725581185 is a deficient number, since it is larger than the sum of its proper divisors (34011960433255).

85862725581185 is a wasteful number, since it uses less digits than its factorization.

85862725581185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50673425 (or 50673418 counting only the distinct ones).

The product of its digits is 430080000, while the sum is 71.

The spelling of 85862725581185 in words is "eighty-five trillion, eight hundred sixty-two billion, seven hundred twenty-five million, five hundred eighty-one thousand, one hundred eighty-five".