11198 has 8 divisors (see below), whose sum is σ = 18360. Its totient is φ = 5080.

The previous prime is 11197. The next prime is 11213. The reversal of 11198 is 89111.

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

It is a Curzon number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11197) 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, 233 + ... + 276.

It is an arithmetic number, because the mean of its divisors is an integer number (2295).

2¹¹¹⁹⁸ is an apocalyptic number.

11198 is a deficient number, since it is larger than the sum of its proper divisors (7162).

11198 is a wasteful number, since it uses less digits than its factorization.

11198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522.

The product of its digits is 72, while the sum is 20.

The square root of 11198 is about 105.8206029089. The cubic root of 11198 is about 22.3724469898.

It can be divided in two parts, 111 and 98, that multiplied together give a triangular number (10878 = T₁₄₇).

The spelling of 11198 in words is "eleven thousand, one hundred ninety-eight".