111683869 has 8 divisors (see below), whose sum is σ = 121994208. Its totient is φ = 101399760.

The previous prime is 111683861. The next prime is 111683893. The reversal of 111683869 is 968386111.

It is a happy number.

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

It is not a de Polignac number, because 111683869 - 2³ = 111683861 is a prime.

It is a super-2 number, since 2×111683869² = 24946573189618322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111683861) 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, 2959 + ... + 15235.

It is an arithmetic number, because the mean of its divisors is an integer number (15249276).

Almost surely, 2^111683869 is an apocalyptic number.

It is an amenable number.

111683869 is a deficient number, since it is larger than the sum of its proper divisors (10310339).

111683869 is a wasteful number, since it uses less digits than its factorization.

111683869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13115.

The product of its digits is 62208, while the sum is 43.

The square root of 111683869 is about 10568.0589040751. The cubic root of 111683869 is about 481.5745012424.

The spelling of 111683869 in words is "one hundred eleven million, six hundred eighty-three thousand, eight hundred sixty-nine".