11145256 has 32 divisors (see below), whose sum is σ = 21621600. Its totient is φ = 5382720.

The previous prime is 11145247. The next prime is 11145259. The reversal of 11145256 is 65254111.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 11145256.

It is not an unprimeable number, because it can be changed into a prime (11145259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61486 + ... + 61666.

It is an arithmetic number, because the mean of its divisors is an integer number (675675).

Almost surely, 2^11145256 is an apocalyptic number.

It is an amenable number.

11145256 is a deficient number, since it is larger than the sum of its proper divisors (10476344).

11145256 is a wasteful number, since it uses less digits than its factorization.

11145256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409 (or 405 counting only the distinct ones).

The product of its digits is 1200, while the sum is 25.

The square root of 11145256 is about 3338.4511378782. The cubic root of 11145256 is about 223.3726600877.

Adding to 11145256 its reverse (65254111), we get a palindrome (76399367).

The spelling of 11145256 in words is "eleven million, one hundred forty-five thousand, two hundred fifty-six".