111000009 has 8 divisors (see below), whose sum is σ = 148374400. Its totient is φ = 73812816.

The previous prime is 111000007. The next prime is 111000031. The reversal of 111000009 is 900000111.

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

It is not a de Polignac number, because 111000009 - 2¹ = 111000007 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 110999958 and 111000003.

It is not an unprimeable number, because it can be changed into a prime (111000007) 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, 45409 + ... + 47790.

It is an arithmetic number, because the mean of its divisors is an integer number (18546800).

Almost surely, 2^111000009 is an apocalyptic number.

It is an amenable number.

111000009 is a deficient number, since it is larger than the sum of its proper divisors (37374391).

111000009 is an equidigital number, since it uses as much as digits as its factorization.

111000009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93599.

The product of its (nonzero) digits is 9, while the sum is 12.

The square root of 111000009 is about 10535.6541799738. The cubic root of 111000009 is about 480.5895663594.

The spelling of 111000009 in words is "one hundred eleven million, nine", and thus it is an aban number.