11143265 has 16 divisors (see below), whose sum is σ = 15375360. Its totient is φ = 7594560.

The previous prime is 11143259. The next prime is 11143273. The reversal of 11143265 is 56234111.

It is not a de Polignac number, because 11143265 - 2⁸ = 11143009 is a prime.

It is a Curzon number.

It is a nialpdrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 11143265.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5456 + ... + 7214.

It is an arithmetic number, because the mean of its divisors is an integer number (960960).

Almost surely, 2^11143265 is an apocalyptic number.

It is an amenable number.

11143265 is a deficient number, since it is larger than the sum of its proper divisors (4232095).

11143265 is a wasteful number, since it uses less digits than its factorization.

11143265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1952.

The product of its digits is 720, while the sum is 23.

The square root of 11143265 is about 3338.1529323864. The cubic root of 11143265 is about 223.3593581217.

Adding to 11143265 its reverse (56234111), we get a palindrome (67377376).

The spelling of 11143265 in words is "eleven million, one hundred forty-three thousand, two hundred sixty-five".