111110111010609 has 16 divisors (see below), whose sum is σ = 157051008381888. Its totient is φ = 69631848000512.

The previous prime is 111110111010571. The next prime is 111110111010611. The reversal of 111110111010609 is 906010111011111.

It is a cyclic number.

It is not a de Polignac number, because 111110111010609 - 2¹⁹ = 111110110486321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111110111010109) 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, 1317146232 + ... + 1317230585.

It is an arithmetic number, because the mean of its divisors is an integer number (9815688023868).

Almost surely, 2^{111110111010609} is an apocalyptic number.

It is an amenable number.

111110111010609 is a deficient number, since it is larger than the sum of its proper divisors (45940897371279).

111110111010609 is a wasteful number, since it uses less digits than its factorization.

111110111010609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2634377664.

The product of its (nonzero) digits is 54, while the sum is 24.

The spelling of 111110111010609 in words is "one hundred eleven trillion, one hundred ten billion, one hundred eleven million, ten thousand, six hundred nine".