851851110836 has 12 divisors (see below), whose sum is σ = 1626261211680. Its totient is φ = 387205050360.

The previous prime is 851851110809. The next prime is 851851110871. The reversal of 851851110836 is 638011158158.

It is a happy number.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9680126216 + ... + 9680126303.

It is an arithmetic number, because the mean of its divisors is an integer number (135521767640).

Almost surely, 2^851851110836 is an apocalyptic number.

It is an amenable number.

851851110836 is a deficient number, since it is larger than the sum of its proper divisors (774410100844).

851851110836 is a wasteful number, since it uses less digits than its factorization.

851851110836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19360252534 (or 19360252532 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 47.

The spelling of 851851110836 in words is "eight hundred fifty-one billion, eight hundred fifty-one million, one hundred ten thousand, eight hundred thirty-six".