1086856666512 has 40 divisors (see below), whose sum is σ = 2955487428960. Its totient is φ = 343217894400.

The previous prime is 1086856666507. The next prime is 1086856666603. The reversal of 1086856666512 is 2156666586801.

It is a super-2 number, since 2×1086856666512² (a number of 25 digits) contains 22 as substring.

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, 595863489 + ... + 595865312.

It is an arithmetic number, because the mean of its divisors is an integer number (73887185724).

Almost surely, 2^{1086856666512} is an apocalyptic number.

1086856666512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1086856666512 is an abundant number, since it is smaller than the sum of its proper divisors (1868630762448).

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

1086856666512 is a wasteful number, since it uses less digits than its factorization.

1086856666512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1191728831 (or 1191728825 counting only the distinct ones).

The product of its (nonzero) digits is 24883200, while the sum is 60.

The spelling of 1086856666512 in words is "one trillion, eighty-six billion, eight hundred fifty-six million, six hundred sixty-six thousand, five hundred twelve".