11098 has 8 divisors (see below), whose sum is σ = 17280. Its totient is φ = 5340.

The previous prime is 11093. The next prime is 11113. The reversal of 11098 is 89011.

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

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (11093) 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, 28 + ... + 151.

It is an arithmetic number, because the mean of its divisors is an integer number (2160).

2¹¹⁰⁹⁸ is an apocalyptic number.

11098 is a deficient number, since it is larger than the sum of its proper divisors (6182).

11098 is a wasteful number, since it uses less digits than its factorization.

11098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212.

The product of its (nonzero) digits is 72, while the sum is 19.

The square root of 11098 is about 105.3470455210. The cubic root of 11098 is about 22.3056512051.

Subtracting from 11098 its product of nonzero digits (72), we obtain a triangular number (11026 = T₁₄₈).

The spelling of 11098 in words is "eleven thousand, ninety-eight".