11605103 has 2 divisors, whose sum is σ = 11605104. Its totient is φ = 11605102.

The previous prime is 11605093. The next prime is 11605109. The reversal of 11605103 is 30150611.

11605103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11605103 - 2²⁰ = 10556527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11605109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5802551 + 5802552.

It is an arithmetic number, because the mean of its divisors is an integer number (5802552).

Almost surely, 2^11605103 is an apocalyptic number.

11605103 is a deficient number, since it is larger than the sum of its proper divisors (1).

11605103 is an equidigital number, since it uses as much as digits as its factorization.

11605103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 11605103 is about 3406.6263370085. The cubic root of 11605103 is about 226.4034287897.

Adding to 11605103 its reverse (30150611), we get a palindrome (41755714).

The spelling of 11605103 in words is "eleven million, six hundred five thousand, one hundred three".