11111198 has 16 divisors (see below), whose sum is σ = 19138560. Its totient is φ = 4739256.

The previous prime is 11111173. The next prime is 11111209. The reversal of 11111198 is 89111111.

11111198 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1343 + ... + 4901.

It is an arithmetic number, because the mean of its divisors is an integer number (1196160).

Almost surely, 2^11111198 is an apocalyptic number.

11111198 is a deficient number, since it is larger than the sum of its proper divisors (8027362).

11111198 is a wasteful number, since it uses less digits than its factorization.

11111198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3791.

The product of its digits is 72, while the sum is 23.

The square root of 11111198 is about 3333.3463666412. The cubic root of 11111198 is about 223.1448983554.

The spelling of 11111198 in words is "eleven million, one hundred eleven thousand, one hundred ninety-eight".