1100011109 has 4 divisors (see below), whose sum is σ = 1118044140. Its totient is φ = 1081978080.

The previous prime is 1100011063. The next prime is 1100011117. The reversal of 1100011109 is 9011100011.

It is a happy number.

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 15626209 + 1084384900 = 3953^2 + 32930^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1100011109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1100011093 and 1100011102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100011189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9016424 + ... + 9016545.

It is an arithmetic number, because the mean of its divisors is an integer number (279511035).

Almost surely, 2^1100011109 is an apocalyptic number.

It is an amenable number.

1100011109 is a deficient number, since it is larger than the sum of its proper divisors (18033031).

1100011109 is an equidigital number, since it uses as much as digits as its factorization.

1100011109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18033030.

The product of its (nonzero) digits is 9, while the sum is 14.

The square root of 1100011109 is about 33166.4153776075. The cubic root of 1100011109 is about 1032.2835904749.

The spelling of 1100011109 in words is "one billion, one hundred million, eleven thousand, one hundred nine".