11045563 has 4 divisors (see below), whose sum is σ = 11695320. Its totient is φ = 10395808.

The previous prime is 11045561. The next prime is 11045581. The reversal of 11045563 is 36554011.

11045563 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11045563 - 2¹ = 11045561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11045561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324853 + ... + 324886.

It is an arithmetic number, because the mean of its divisors is an integer number (2923830).

Almost surely, 2^11045563 is an apocalyptic number.

11045563 is a deficient number, since it is larger than the sum of its proper divisors (649757).

11045563 is an equidigital number, since it uses as much as digits as its factorization.

11045563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649756.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 11045563 is about 3323.4865728629. The cubic root of 11045563 is about 222.7046503243.

Adding to 11045563 its reverse (36554011), we get a palindrome (47599574).

The spelling of 11045563 in words is "eleven million, forty-five thousand, five hundred sixty-three".