11165123 has 2 divisors, whose sum is σ = 11165124. Its totient is φ = 11165122.

The previous prime is 11165071. The next prime is 11165137. The reversal of 11165123 is 32156111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11165123 - 2⁶ = 11165059 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 11165095 and 11165104.

It is not a weakly prime, because it can be changed into another prime (11165153) 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, 5582561 + 5582562.

It is an arithmetic number, because the mean of its divisors is an integer number (5582562).

Almost surely, 2^11165123 is an apocalyptic number.

11165123 is a deficient number, since it is larger than the sum of its proper divisors (1).

11165123 is an equidigital number, since it uses as much as digits as its factorization.

11165123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 180, while the sum is 20.

The square root of 11165123 is about 3341.4252946909. The cubic root of 11165123 is about 223.5053057745.

The spelling of 11165123 in words is "eleven million, one hundred sixty-five thousand, one hundred twenty-three".