1110000009 has 4 divisors (see below), whose sum is σ = 1480000016. Its totient is φ = 740000004.

The previous prime is 1109999993. The next prime is 1110000019. The reversal of 1110000009 is 9000000111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9000000111 = 3 ⋅3000000037.

It is not a de Polignac number, because 1110000009 - 2⁴ = 1109999993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1109999949 and 1110000003.

It is not an unprimeable number, because it can be changed into a prime (1110000019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 184999999 + ... + 185000004.

It is an arithmetic number, because the mean of its divisors is an integer number (370000004).

Almost surely, 2^1110000009 is an apocalyptic number.

It is an amenable number.

1110000009 is a deficient number, since it is larger than the sum of its proper divisors (370000007).

1110000009 is an equidigital number, since it uses as much as digits as its factorization.

1110000009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370000006.

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

The square root of 1110000009 is about 33316.6626329829. The cubic root of 1110000009 is about 1035.3988082468.

The spelling of 1110000009 in words is "one billion, one hundred ten million, nine", and thus it is an aban number.