1103011109 has 2 divisors, whose sum is σ = 1103011110. Its totient is φ = 1103011108.

The previous prime is 1103011073. The next prime is 1103011121. The reversal of 1103011109 is 9011103011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 897002500 + 206008609 = 29950^2 + 14353^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1103011109 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1103011309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551505554 + 551505555.

It is an arithmetic number, because the mean of its divisors is an integer number (551505555).

Almost surely, 2^1103011109 is an apocalyptic number.

It is an amenable number.

1103011109 is a deficient number, since it is larger than the sum of its proper divisors (1).

1103011109 is an equidigital number, since it uses as much as digits as its factorization.

1103011109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27, while the sum is 17.

The square root of 1103011109 is about 33211.6110569783. The cubic root of 1103011109 is about 1033.2211688059.

The spelling of 1103011109 in words is "one billion, one hundred three million, eleven thousand, one hundred nine".