11243563 has 2 divisors, whose sum is σ = 11243564. Its totient is φ = 11243562.

The previous prime is 11243509. The next prime is 11243569. The reversal of 11243563 is 36534211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11243563 - 2⁹ = 11243051 is a prime.

It is not a weakly prime, because it can be changed into another prime (11243569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5621781 + 5621782.

It is an arithmetic number, because the mean of its divisors is an integer number (5621782).

Almost surely, 2^11243563 is an apocalyptic number.

11243563 is a deficient number, since it is larger than the sum of its proper divisors (1).

11243563 is an equidigital number, since it uses as much as digits as its factorization.

11243563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 25.

The square root of 11243563 is about 3353.1422576443. The cubic root of 11243563 is about 224.0274931709.

Adding to 11243563 its reverse (36534211), we get a palindrome (47777774).

The spelling of 11243563 in words is "eleven million, two hundred forty-three thousand, five hundred sixty-three".