118811118811 has 32 divisors (see below), whose sum is σ = 149706832896. Its totient is φ = 91594800000.

The previous prime is 118811118809. The next prime is 118811118817.

118811118811 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 118811118811 - 2¹ = 118811118809 is a prime.

118811118811 is a strobogrammatic number because it is the same when read upside-down.

It is a Duffinian number.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (118811118817) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11994961 + ... + 12004861.

It is an arithmetic number, because the mean of its divisors is an integer number (4678338528).

Almost surely, 2^118811118811 is an apocalyptic number.

118811118811 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

118811118811 is a deficient number, since it is larger than the sum of its proper divisors (30895714085).

118811118811 is a wasteful number, since it uses less digits than its factorization.

118811118811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11563.

The product of its digits is 4096, while the sum is 40.

The spelling of 118811118811 in words is "one hundred eighteen billion, eight hundred eleven million, one hundred eighteen thousand, eight hundred eleven".