11100000009 has 64 divisors (see below), whose sum is σ = 18647539200. Its totient is φ = 5726343168.

The previous prime is 11100000007. The next prime is 11100000017. The reversal of 11100000009 is 90000000111.

It is not a de Polignac number, because 11100000009 - 2¹ = 11100000007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11100000001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1622007 + ... + 1628835.

It is an arithmetic number, because the mean of its divisors is an integer number (291367800).

Almost surely, 2^11100000009 is an apocalyptic number.

It is an amenable number.

11100000009 is a deficient number, since it is larger than the sum of its proper divisors (7547539191).

11100000009 is a wasteful number, since it uses less digits than its factorization.

11100000009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7042.

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

The spelling of 11100000009 in words is "eleven billion, one hundred million, nine", and thus it is an aban number.