1111000111109 has 4 divisors (see below), whose sum is σ = 1269714412704. Its totient is φ = 952285809516.

The previous prime is 1111000111093. The next prime is 1111000111187. The reversal of 1111000111109 is 9011110001111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1111000111109 - 2⁴ = 1111000111093 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 (1111000114109) 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, 79357150787 + ... + 79357150800.

It is an arithmetic number, because the mean of its divisors is an integer number (317428603176).

Almost surely, 2^{1111000111109} is an apocalyptic number.

It is an amenable number.

1111000111109 is a deficient number, since it is larger than the sum of its proper divisors (158714301595).

1111000111109 is an equidigital number, since it uses as much as digits as its factorization.

1111000111109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158714301594.

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

The spelling of 1111000111109 in words is "one trillion, one hundred eleven billion, one hundred eleven thousand, one hundred nine".