111673689 has 16 divisors (see below), whose sum is σ = 151633920. Its totient is φ = 73092240.

The previous prime is 111673673. The next prime is 111673691. The reversal of 111673689 is 986376111.

It is not a de Polignac number, because 111673689 - 2⁴ = 111673673 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 111673689.

It is not an unprimeable number, because it can be changed into a prime (111673609) 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, 44034 + ... + 46500.

It is an arithmetic number, because the mean of its divisors is an integer number (9477120).

Almost surely, 2^111673689 is an apocalyptic number.

It is an amenable number.

111673689 is a deficient number, since it is larger than the sum of its proper divisors (39960231).

111673689 is a wasteful number, since it uses less digits than its factorization.

111673689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2740.

The product of its digits is 54432, while the sum is 42.

The square root of 111673689 is about 10567.5772530888. The cubic root of 111673689 is about 481.5598689371.

The spelling of 111673689 in words is "one hundred eleven million, six hundred seventy-three thousand, six hundred eighty-nine".