11189910111 has 16 divisors (see below), whose sum is σ = 15327436800. Its totient is φ = 7256275488.

The previous prime is 11189910077. The next prime is 11189910157. The reversal of 11189910111 is 11101998111.

It is not a de Polignac number, because 11189910111 - 2¹⁸ = 11189647967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11189911111) 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, 449530 + ... + 473768.

It is an arithmetic number, because the mean of its divisors is an integer number (957964800).

Almost surely, 2^11189910111 is an apocalyptic number.

11189910111 is a deficient number, since it is larger than the sum of its proper divisors (4137526689).

11189910111 is a wasteful number, since it uses less digits than its factorization.

11189910111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28438.

The product of its (nonzero) digits is 648, while the sum is 33.

The spelling of 11189910111 in words is "eleven billion, one hundred eighty-nine million, nine hundred ten thousand, one hundred eleven".