856875017112 has 16 divisors (see below), whose sum is σ = 2142187542840. Its totient is φ = 285625005696.

The previous prime is 856875017093. The next prime is 856875017129. The reversal of 856875017112 is 211710578658.

It is a happy number.

It is a congruent number.

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, 17851562833 + ... + 17851562880.

Almost surely, 2^856875017112 is an apocalyptic number.

It is an amenable number.

856875017112 is an abundant number, since it is smaller than the sum of its proper divisors (1285312525728).

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

856875017112 is a wasteful number, since it uses less digits than its factorization.

856875017112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35703125722 (or 35703125718 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 51.

The spelling of 856875017112 in words is "eight hundred fifty-six billion, eight hundred seventy-five million, seventeen thousand, one hundred twelve".