11101111000109 has 4 divisors (see below), whose sum is σ = 11955042615516. Its totient is φ = 10247179384704.

The previous prime is 11101111000103. The next prime is 11101111000159. The reversal of 11101111000109 is 90100011110111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4715998573225 + 6385112426884 = 2171635^2 + 2526878^2 .

It is a cyclic number.

It is not a de Polignac number, because 11101111000109 - 2⁴ = 11101111000093 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11101111000103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 426965807684 + ... + 426965807709.

It is an arithmetic number, because the mean of its divisors is an integer number (2988760653879).

Almost surely, 2^{11101111000109} is an apocalyptic number.

It is an amenable number.

11101111000109 is a deficient number, since it is larger than the sum of its proper divisors (853931615407).

11101111000109 is an equidigital number, since it uses as much as digits as its factorization.

11101111000109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 853931615406.

The product of its (nonzero) digits is 9, while the sum is 17.

The spelling of 11101111000109 in words is "eleven trillion, one hundred one billion, one hundred eleven million, one hundred nine", and thus it is an aban number.