118311866233159 has 16 divisors (see below), whose sum is σ = 131867162542080. Its totient is φ = 105489659905920.

The previous prime is 118311866233109. The next prime is 118311866233229. The reversal of 118311866233159 is 951332668113811.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118311866233159 is a prime.

It is a super-2 number, since 2×118311866233159² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118311866233109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13361044 + ... + 20375014.

It is an arithmetic number, because the mean of its divisors is an integer number (8241697658880).

Almost surely, 2^{118311866233159} is an apocalyptic number.

118311866233159 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

118311866233159 is a deficient number, since it is larger than the sum of its proper divisors (13555296308921).

118311866233159 is a wasteful number, since it uses less digits than its factorization.

118311866233159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7066230.

The product of its digits is 5598720, while the sum is 58.

The spelling of 118311866233159 in words is "one hundred eighteen trillion, three hundred eleven billion, eight hundred sixty-six million, two hundred thirty-three thousand, one hundred fifty-nine".