108911108911 has 12 divisors (see below), whose sum is σ = 120000596472. Its totient is φ = 98019900000.

The previous prime is 108911108879. The next prime is 108911108947. The reversal of 108911108911 is 119801119801.

It is not a de Polignac number, because 108911108911 - 2⁵ = 108911108879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108911178911) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10995061 + ... + 11004961.

It is an arithmetic number, because the mean of its divisors is an integer number (10000049706).

Almost surely, 2^108911108911 is an apocalyptic number.

108911108911 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

108911108911 is a deficient number, since it is larger than the sum of its proper divisors (11089487561).

108911108911 is an frugal number, since it uses more digits than its factorization.

108911108911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19914 (or 10013 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 40.

The spelling of 108911108911 in words is "one hundred eight billion, nine hundred eleven million, one hundred eight thousand, nine hundred eleven".