11563369 has 2 divisors, whose sum is σ = 11563370. Its totient is φ = 11563368.

The previous prime is 11563361. The next prime is 11563379. The reversal of 11563369 is 96336511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9120400 + 2442969 = 3020^2 + 1563^2 .

It is a cyclic number.

It is not a de Polignac number, because 11563369 - 2³ = 11563361 is a prime.

It is a super-3 number, since 3×11563369³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (11563361) 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, 5781684 + 5781685.

It is an arithmetic number, because the mean of its divisors is an integer number (5781685).

Almost surely, 2^11563369 is an apocalyptic number.

It is an amenable number.

11563369 is a deficient number, since it is larger than the sum of its proper divisors (1).

11563369 is an equidigital number, since it uses as much as digits as its factorization.

11563369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14580, while the sum is 34.

The square root of 11563369 is about 3400.4954050844. The cubic root of 11563369 is about 226.1317072375.

The spelling of 11563369 in words is "eleven million, five hundred sixty-three thousand, three hundred sixty-nine".