11000111101109 has 4 divisors (see below), whose sum is σ = 11846273493516. Its totient is φ = 10153948708704.

The previous prime is 11000111101103. The next prime is 11000111101153. The reversal of 11000111101109 is 90110111100011.

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 5838481527025 + 5161629574084 = 2416295^2 + 2271922^2 .

It is a cyclic number.

It is not a de Polignac number, because 11000111101109 - 2¹² = 11000111097013 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 (11000111101103) 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, 423081196184 + ... + 423081196209.

It is an arithmetic number, because the mean of its divisors is an integer number (2961568373379).

Almost surely, 2^{11000111101109} is an apocalyptic number.

It is an amenable number.

11000111101109 is a deficient number, since it is larger than the sum of its proper divisors (846162392407).

11000111101109 is an equidigital number, since it uses as much as digits as its factorization.

11000111101109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846162392406.

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

The spelling of 11000111101109 in words is "eleven trillion, one hundred eleven million, one hundred one thousand, one hundred nine".