1103109811 has 2 divisors, whose sum is σ = 1103109812. Its totient is φ = 1103109810.

The previous prime is 1103109781. The next prime is 1103109817. The reversal of 1103109811 is 1189013011.

It is a strong prime.

It is an emirp because it is prime and its reverse (1189013011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1103109811 - 2¹¹ = 1103107763 is a prime.

It is not a weakly prime, because it can be changed into another prime (1103109817) 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 as a sum of consecutive naturals, namely, 551554905 + 551554906.

It is an arithmetic number, because the mean of its divisors is an integer number (551554906).

Almost surely, 2^1103109811 is an apocalyptic number.

1103109811 is a deficient number, since it is larger than the sum of its proper divisors (1).

1103109811 is an equidigital number, since it uses as much as digits as its factorization.

1103109811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 25.

The square root of 1103109811 is about 33213.0969799566. The cubic root of 1103109811 is about 1033.2519868557.

The spelling of 1103109811 in words is "one billion, one hundred three million, one hundred nine thousand, eight hundred eleven".