11063561 has 2 divisors, whose sum is σ = 11063562. Its totient is φ = 11063560.

The previous prime is 11063557. The next prime is 11063573. The reversal of 11063561 is 16536011.

It is a happy number.

11063561 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8737936 + 2325625 = 2956^2 + 1525^2 .

It is a cyclic number.

It is not a de Polignac number, because 11063561 - 2² = 11063557 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (11063581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5531780 + 5531781.

It is an arithmetic number, because the mean of its divisors is an integer number (5531781).

Almost surely, 2^11063561 is an apocalyptic number.

It is an amenable number.

11063561 is a deficient number, since it is larger than the sum of its proper divisors (1).

11063561 is an equidigital number, since it uses as much as digits as its factorization.

11063561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 11063561 is about 3326.1931693755. The cubic root of 11063561 is about 222.8255454208.

Adding to 11063561 its reverse (16536011), we get a palindrome (27599572).

The spelling of 11063561 in words is "eleven million, sixty-three thousand, five hundred sixty-one".