11111110110109 has 16 divisors (see below), whose sum is σ = 11246036883840. Its totient is φ = 10976806653120.

The previous prime is 11111110110071. The next prime is 11111110110127. The reversal of 11111110110109 is 90101101111111.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11111110110109 - 2⁹ = 11111110109597 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 (11111110110169) 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, 104797494 + ... + 104903464.

It is an arithmetic number, because the mean of its divisors is an integer number (702877305240).

Almost surely, 2^{11111110110109} is an apocalyptic number.

It is an amenable number.

11111110110109 is a deficient number, since it is larger than the sum of its proper divisors (134926773731).

11111110110109 is a wasteful number, since it uses less digits than its factorization.

11111110110109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108900.

The product of its (nonzero) digits is 9, while the sum is 19.

The spelling of 11111110110109 in words is "eleven trillion, one hundred eleven billion, one hundred ten million, one hundred ten thousand, one hundred nine".