11144656 has 20 divisors (see below), whose sum is σ = 22863492. Its totient is φ = 5244416.

The previous prime is 11144647. The next prime is 11144663. The reversal of 11144656 is 65644111.

It can be written as a sum of positive squares in 2 ways, for example, as 10112400 + 1032256 = 3180^2 + 1016^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20215 + ... + 20758.

Almost surely, 2^11144656 is an apocalyptic number.

11144656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11144656 is an abundant number, since it is smaller than the sum of its proper divisors (11718836).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11144656 is a wasteful number, since it uses less digits than its factorization.

11144656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40998 (or 40992 counting only the distinct ones).

The product of its digits is 2880, while the sum is 28.

The square root of 11144656 is about 3338.3612746376. The cubic root of 11144656 is about 223.3686516259.

Adding to 11144656 its reverse (65644111), we get a palindrome (76788767).

The spelling of 11144656 in words is "eleven million, one hundred forty-four thousand, six hundred fifty-six".