11105903 has 2 divisors, whose sum is σ = 11105904. Its totient is φ = 11105902.

The previous prime is 11105893. The next prime is 11105909. The reversal of 11105903 is 30950111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11105903 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11105909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5552951 + 5552952.

It is an arithmetic number, because the mean of its divisors is an integer number (5552952).

Almost surely, 2^11105903 is an apocalyptic number.

11105903 is a deficient number, since it is larger than the sum of its proper divisors (1).

11105903 is an equidigital number, since it uses as much as digits as its factorization.

11105903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 135, while the sum is 20.

The square root of 11105903 is about 3332.5520251003. The cubic root of 11105903 is about 223.1094464334.

The spelling of 11105903 in words is "eleven million, one hundred five thousand, nine hundred three".