11266563 has 64 divisors (see below), whose sum is σ = 21012480. Its totient is φ = 5184000.

The previous prime is 11266561. The next prime is 11266579. The reversal of 11266563 is 36566211.

11266563 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11266563 - 2¹ = 11266561 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11266563.

It is not an unprimeable number, because it can be changed into a prime (11266561) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 74538 + ... + 74688.

It is an arithmetic number, because the mean of its divisors is an integer number (328320).

Almost surely, 2^11266563 is an apocalyptic number.

11266563 is a deficient number, since it is larger than the sum of its proper divisors (9745917).

11266563 is a wasteful number, since it uses less digits than its factorization.

11266563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208.

The product of its digits is 6480, while the sum is 30.

The square root of 11266563 is about 3356.5701243978. The cubic root of 11266563 is about 224.1801471205.

The spelling of 11266563 in words is "eleven million, two hundred sixty-six thousand, five hundred sixty-three".