111914689 has 8 divisors (see below), whose sum is σ = 118800648. Its totient is φ = 105062400.

The previous prime is 111914669. The next prime is 111914749. The reversal of 111914689 is 986419111.

It can be written as a sum of positive squares in 4 ways, for example, as 52316289 + 59598400 = 7233^2 + 7720^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111914689 - 2⁵ = 111914657 is a prime.

It is a super-2 number, since 2×111914689² = 25049795227933442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111914629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1392 + ... + 15025.

It is an arithmetic number, because the mean of its divisors is an integer number (14850081).

Almost surely, 2^111914689 is an apocalyptic number.

It is an amenable number.

111914689 is a deficient number, since it is larger than the sum of its proper divisors (6885959).

111914689 is a wasteful number, since it uses less digits than its factorization.

111914689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16835.

The product of its digits is 15552, while the sum is 40.

The square root of 111914689 is about 10578.9739105454. The cubic root of 111914689 is about 481.9060338624.

The spelling of 111914689 in words is "one hundred eleven million, nine hundred fourteen thousand, six hundred eighty-nine".