11188818122172 has 24 divisors (see below), whose sum is σ = 26108616810192. Its totient is φ = 3729409680000.

The previous prime is 11188818122159. The next prime is 11188818122173. The reversal of 11188818122172 is 27122181888111.

11188818122172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11188818122173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24307579 + ... + 24763602.

It is an arithmetic number, because the mean of its divisors is an integer number (1087859033758).

Almost surely, 2^{11188818122172} is an apocalyptic number.

11188818122172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11188818122172 is an abundant number, since it is smaller than the sum of its proper divisors (14919798688020).

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

11188818122172 is a wasteful number, since it uses less digits than its factorization.

11188818122172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49090189 (or 49090187 counting only the distinct ones).

The product of its digits is 229376, while the sum is 51.

The spelling of 11188818122172 in words is "eleven trillion, one hundred eighty-eight billion, eight hundred eighteen million, one hundred twenty-two thousand, one hundred seventy-two".