11243265 has 16 divisors (see below), whose sum is σ = 19624896. Its totient is φ = 5451200.

The previous prime is 11243237. The next prime is 11243291. The reversal of 11243265 is 56234211.

11243265 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11243265 - 2⁵ = 11243233 is a prime.

It is a super-2 number, since 2×11243265² = 252822015720450, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33906 + ... + 34235.

It is an arithmetic number, because the mean of its divisors is an integer number (1226556).

Almost surely, 2^11243265 is an apocalyptic number.

11243265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11243265 is a deficient number, since it is larger than the sum of its proper divisors (8381631).

11243265 is a wasteful number, since it uses less digits than its factorization.

11243265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68160.

The product of its digits is 1440, while the sum is 24.

The square root of 11243265 is about 3353.0978214183. The cubic root of 11243265 is about 224.0255139412.

Adding to 11243265 its reverse (56234211), we get a palindrome (67477476).

The spelling of 11243265 in words is "eleven million, two hundred forty-three thousand, two hundred sixty-five".