11143249 has 8 divisors (see below), whose sum is σ = 12048512. Its totient is φ = 10244880.

The previous prime is 11143243. The next prime is 11143259. The reversal of 11143249 is 94234111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11143249 - 2⁵ = 11143217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11143243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1942 + ... + 5104.

It is an arithmetic number, because the mean of its divisors is an integer number (1506064).

Almost surely, 2^11143249 is an apocalyptic number.

It is an amenable number.

11143249 is a deficient number, since it is larger than the sum of its proper divisors (905263).

11143249 is a wasteful number, since it uses less digits than its factorization.

11143249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3447.

The product of its digits is 864, while the sum is 25.

The square root of 11143249 is about 3338.1505358507. The cubic root of 11143249 is about 223.3592512185.

The spelling of 11143249 in words is "eleven million, one hundred forty-three thousand, two hundred forty-nine".