11001563 has 2 divisors, whose sum is σ = 11001564. Its totient is φ = 11001562.

The previous prime is 11001547. The next prime is 11001569. The reversal of 11001563 is 36510011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11001563 - 2⁴ = 11001547 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11001569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5500781 + 5500782.

It is an arithmetic number, because the mean of its divisors is an integer number (5500782).

Almost surely, 2^11001563 is an apocalyptic number.

11001563 is a deficient number, since it is larger than the sum of its proper divisors (1).

11001563 is an equidigital number, since it uses as much as digits as its factorization.

11001563 is an odious number, because the sum of its binary digits is odd.

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

The square root of 11001563 is about 3316.8604131015. The cubic root of 11001563 is about 222.4085421365.

Adding to 11001563 its reverse (36510011), we get a palindrome (47511574).

The spelling of 11001563 in words is "eleven million, one thousand, five hundred sixty-three".