111010609689 has 32 divisors (see below), whose sum is σ = 171419136000. Its totient is φ = 62588208384.

The previous prime is 111010609667. The next prime is 111010609691. The reversal of 111010609689 is 986906010111.

It is a happy number.

It is not a de Polignac number, because 111010609689 - 2¹³ = 111010601497 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 111010609689.

It is not an unprimeable number, because it can be changed into a prime (111010609609) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2447782 + ... + 2492720.

It is an arithmetic number, because the mean of its divisors is an integer number (5356848000).

Almost surely, 2^111010609689 is an apocalyptic number.

It is an amenable number.

111010609689 is a deficient number, since it is larger than the sum of its proper divisors (60408526311).

111010609689 is a wasteful number, since it uses less digits than its factorization.

111010609689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46517.

The product of its (nonzero) digits is 23328, while the sum is 42.

The spelling of 111010609689 in words is "one hundred eleven billion, ten million, six hundred nine thousand, six hundred eighty-nine".