11143198 has 16 divisors (see below), whose sum is σ = 18823680. Its totient is φ = 4901400.

The previous prime is 11143193. The next prime is 11143199. The reversal of 11143198 is 89134111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11143193) 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, 7488 + ... + 8851.

It is an arithmetic number, because the mean of its divisors is an integer number (1176480).

Almost surely, 2^11143198 is an apocalyptic number.

11143198 is a deficient number, since it is larger than the sum of its proper divisors (7680482).

11143198 is a wasteful number, since it uses less digits than its factorization.

11143198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16383.

The product of its digits is 864, while the sum is 28.

The square root of 11143198 is about 3338.1428968814. The cubic root of 11143198 is about 223.3589104639.

The spelling of 11143198 in words is "eleven million, one hundred forty-three thousand, one hundred ninety-eight".