11143252 has 6 divisors (see below), whose sum is σ = 19500698. Its totient is φ = 5571624.

The previous prime is 11143243. The next prime is 11143259. The reversal of 11143252 is 25234111.

It can be written as a sum of positive squares in only one way, i.e., 8031556 + 3111696 = 2834^2 + 1764^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11143259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1392903 + ... + 1392910.

Almost surely, 2^11143252 is an apocalyptic number.

It is an amenable number.

11143252 is a deficient number, since it is larger than the sum of its proper divisors (8357446).

11143252 is a wasteful number, since it uses less digits than its factorization.

11143252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2785817 (or 2785815 counting only the distinct ones).

The product of its digits is 240, while the sum is 19.

The square root of 11143252 is about 3338.1509852012. The cubic root of 11143252 is about 223.3592712628.

Adding to 11143252 its reverse (25234111), we get a palindrome (36377363).

The spelling of 11143252 in words is "eleven million, one hundred forty-three thousand, two hundred fifty-two".