118922718818 has 18 divisors (see below), whose sum is σ = 181502697729. Its totient is φ = 58439396632.

The previous prime is 118922718769. The next prime is 118922718923. The reversal of 118922718818 is 818817229811.

118922718818 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 111634169689 + 7288549129 = 334117^2 + 85373^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=243847.

It is a super-2 number, since 2×118922718818² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 28771880 + ... + 28776012.

Almost surely, 2^118922718818 is an apocalyptic number.

118922718818 is a deficient number, since it is larger than the sum of its proper divisors (62579978911).

118922718818 is an frugal number, since it uses more digits than its factorization.

118922718818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8386 (or 4194 counting only the distinct ones).

The product of its digits is 1032192, while the sum is 56.

The spelling of 118922718818 in words is "one hundred eighteen billion, nine hundred twenty-two million, seven hundred eighteen thousand, eight hundred eighteen".