118311866233158 has 16 divisors (see below), whose sum is σ = 254825558040816. Its totient is φ = 36403651148640.

The previous prime is 118311866233109. The next prime is 118311866233229. The reversal of 118311866233158 is 851332668113811.

It is a junction number, because it is equal to n+sod(n) for n = 118311866233098 and 118311866233107.

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, 758409398853 + ... + 758409399008.

It is an arithmetic number, because the mean of its divisors is an integer number (15926597377551).

Almost surely, 2^{118311866233158} is an apocalyptic number.

118311866233158 is an abundant number, since it is smaller than the sum of its proper divisors (136513691807658).

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

118311866233158 is a wasteful number, since it uses less digits than its factorization.

118311866233158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1516818797879.

The product of its digits is 4976640, while the sum is 57.

The spelling of 118311866233158 in words is "one hundred eighteen trillion, three hundred eleven billion, eight hundred sixty-six million, two hundred thirty-three thousand, one hundred fifty-eight".