851111149366 has 16 divisors (see below), whose sum is σ = 1285935678720. Its totient is φ = 422466324840.

The previous prime is 851111149337. The next prime is 851111149379. The reversal of 851111149366 is 663941111158.

It is a super-2 number, since 2×851111149366² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4531375 + ... + 4715461.

It is an arithmetic number, because the mean of its divisors is an integer number (80370979920).

Almost surely, 2^851111149366 is an apocalyptic number.

851111149366 is a deficient number, since it is larger than the sum of its proper divisors (434824529354).

851111149366 is a wasteful number, since it uses less digits than its factorization.

851111149366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200859.

The product of its digits is 155520, while the sum is 46.

The spelling of 851111149366 in words is "eight hundred fifty-one billion, one hundred eleven million, one hundred forty-nine thousand, three hundred sixty-six".