11243564 has 12 divisors (see below), whose sum is σ = 19832064. Its totient is φ = 5577264.

The previous prime is 11243563. The next prime is 11243569. The reversal of 11243564 is 46534211.

It is not an unprimeable number, because it can be changed into a prime (11243563) 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, 10559 + ... + 11574.

It is an arithmetic number, because the mean of its divisors is an integer number (1652672).

Almost surely, 2^11243564 is an apocalyptic number.

It is an amenable number.

11243564 is a deficient number, since it is larger than the sum of its proper divisors (8588500).

11243564 is a wasteful number, since it uses less digits than its factorization.

11243564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22264 (or 22262 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 11243564 is about 3353.1424067582. The cubic root of 11243564 is about 224.0274998126.

Adding to 11243564 its reverse (46534211), we get a palindrome (57777775).

The spelling of 11243564 in words is "eleven million, two hundred forty-three thousand, five hundred sixty-four".