118605405061986 has 48 divisors (see below), whose sum is σ = 257346572950656. Its totient is φ = 36417846502144.

The previous prime is 118605405061889. The next prime is 118605405061999. The reversal of 118605405061986 is 689160504506811.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 727576881 + ... + 727739876.

It is an arithmetic number, because the mean of its divisors is an integer number (5361386936472).

Almost surely, 2^{118605405061986} is an apocalyptic number.

118605405061986 is an abundant number, since it is smaller than the sum of its proper divisors (138741167888670).

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

118605405061986 is a wasteful number, since it uses less digits than its factorization.

118605405061986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1455316843 (or 1455316826 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 60.

The spelling of 118605405061986 in words is "one hundred eighteen trillion, six hundred five billion, four hundred five million, sixty-one thousand, nine hundred eighty-six".