111000010000009 has 4 divisors (see below), whose sum is σ = 119538472307716. Its totient is φ = 102461547692304.

The previous prime is 111000010000007. The next prime is 111000010000039. The reversal of 111000010000009 is 900000010000111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14208414054025 + 96791595945984 = 3769405^2 + 9838272^2 .

It is a cyclic number.

It is not a de Polignac number, because 111000010000009 - 2¹ = 111000010000007 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 8538462307693 = 111000010000009 / (1 + 1 + 1 + 0 + 0 + 0 + 0 + 1 + 0 + 0 + 0 + 0 + 0 + 0 + 9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111000010000007) 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, 4269231153834 + ... + 4269231153859.

It is an arithmetic number, because the mean of its divisors is an integer number (29884618076929).

Almost surely, 2^{111000010000009} is an apocalyptic number.

It is an amenable number.

111000010000009 is a deficient number, since it is larger than the sum of its proper divisors (8538462307707).

111000010000009 is an equidigital number, since it uses as much as digits as its factorization.

111000010000009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8538462307706.

The product of its (nonzero) digits is 9, while the sum is 13.

The spelling of 111000010000009 in words is "one hundred eleven trillion, ten million, nine", and thus it is an aban number.