85112111616 has 160 divisors (see below), whose sum is σ = 270403550208. Its totient is φ = 23260385280.

The previous prime is 85112111587. The next prime is 85112111633. The reversal of 85112111616 is 61611121158.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75211 + ... + 419381.

Almost surely, 2^85112111616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85112111616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135201775104).

85112111616 is an abundant number, since it is smaller than the sum of its proper divisors (185291438592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85112111616 is a wasteful number, since it uses less digits than its factorization.

85112111616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344222 (or 344206 counting only the distinct ones).

The product of its digits is 2880, while the sum is 33.

The spelling of 85112111616 in words is "eighty-five billion, one hundred twelve million, one hundred eleven thousand, six hundred sixteen".