11011198 has 8 divisors (see below), whose sum is σ = 18018360. Its totient is φ = 5005080.

The previous prime is 11011193. The next prime is 11011199. The reversal of 11011198 is 89111011.

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

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 500509 = 11011198 / (1 + 1 + 0 + 1 + 1 + 1 + 9 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11011193) 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, 250233 + ... + 250276.

It is an arithmetic number, because the mean of its divisors is an integer number (2252295).

Almost surely, 2^11011198 is an apocalyptic number.

11011198 is a deficient number, since it is larger than the sum of its proper divisors (7007162).

11011198 is a wasteful number, since it uses less digits than its factorization.

11011198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500522.

The product of its (nonzero) digits is 72, while the sum is 22.

The square root of 11011198 is about 3318.3125229550. The cubic root of 11011198 is about 222.4734505207.

The spelling of 11011198 in words is "eleven million, eleven thousand, one hundred ninety-eight".