11204143 has 4 divisors (see below), whose sum is σ = 11235040. Its totient is φ = 11173248.

The previous prime is 11204117. The next prime is 11204161. The reversal of 11204143 is 34140211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11204143 - 2¹⁷ = 11073071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11204183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14898 + ... + 15631.

It is an arithmetic number, because the mean of its divisors is an integer number (2808760).

Almost surely, 2^11204143 is an apocalyptic number.

11204143 is a deficient number, since it is larger than the sum of its proper divisors (30897).

11204143 is an equidigital number, since it uses as much as digits as its factorization.

11204143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30896.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 11204143 is about 3347.2590279212. The cubic root of 11204143 is about 223.7653726837.

Adding to 11204143 its reverse (34140211), we get a palindrome (45344354).

The spelling of 11204143 in words is "eleven million, two hundred four thousand, one hundred forty-three".