11120000009 has 4 divisors (see below), whose sum is σ = 11120501520. Its totient is φ = 11119498500.

The previous prime is 11119999981. The next prime is 11120000029. The reversal of 11120000009 is 90000002111.

11120000009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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: 90000002111 = 449 ⋅200445439.

It is a cyclic number.

It is not a de Polignac number, because 11120000009 - 2¹⁶ = 11119934473 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 = 11119999948 and 11120000002.

It is not an unprimeable number, because it can be changed into a prime (11120000029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215879 + ... + 262380.

It is an arithmetic number, because the mean of its divisors is an integer number (2780125380).

Almost surely, 2^11120000009 is an apocalyptic number.

It is an amenable number.

11120000009 is a deficient number, since it is larger than the sum of its proper divisors (501511).

11120000009 is an equidigital number, since it uses as much as digits as its factorization.

11120000009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501510.

The product of its (nonzero) digits is 18, while the sum is 14.

The spelling of 11120000009 in words is "eleven billion, one hundred twenty million, nine", and thus it is an aban number.