11303563 has 2 divisors, whose sum is σ = 11303564. Its totient is φ = 11303562.

The previous prime is 11303549. The next prime is 11303569. The reversal of 11303563 is 36530311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11303563 - 2¹³ = 11295371 is a prime.

It is not a weakly prime, because it can be changed into another prime (11303569) 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, 5651781 + 5651782.

It is an arithmetic number, because the mean of its divisors is an integer number (5651782).

Almost surely, 2^11303563 is an apocalyptic number.

11303563 is a deficient number, since it is larger than the sum of its proper divisors (1).

11303563 is an equidigital number, since it uses as much as digits as its factorization.

11303563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 810, while the sum is 22.

The square root of 11303563 is about 3362.0771853127. The cubic root of 11303563 is about 224.4252855278.

Adding to 11303563 its reverse (36530311), we get a palindrome (47833874).

The spelling of 11303563 in words is "eleven million, three hundred three thousand, five hundred sixty-three".