85131233213158 has 48 divisors (see below), whose sum is σ = 149855323507200. Its totient is φ = 35958768842880.

The previous prime is 85131233213083. The next prime is 85131233213167.

It is a happy number.

85131233213158 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 84242178 + ... + 85246741.

It is an arithmetic number, because the mean of its divisors is an integer number (3121985906400).

Almost surely, 2^{85131233213158} is an apocalyptic number.

85131233213158 is a deficient number, since it is larger than the sum of its proper divisors (64724090294042).

85131233213158 is a wasteful number, since it uses less digits than its factorization.

85131233213158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169489045 (or 169489028 counting only the distinct ones).

The product of its digits is 518400, while the sum is 46.

The spelling of 85131233213158 in words is "eighty-five trillion, one hundred thirty-one billion, two hundred thirty-three million, two hundred thirteen thousand, one hundred fifty-eight".