11117198 has 4 divisors (see below), whose sum is σ = 16675800. Its totient is φ = 5558598.

The previous prime is 11117123. The next prime is 11117213. The reversal of 11117198 is 89171111.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 11117198.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2779298 + ... + 2779301.

It is an arithmetic number, because the mean of its divisors is an integer number (4168950).

Almost surely, 2^11117198 is an apocalyptic number.

11117198 is a deficient number, since it is larger than the sum of its proper divisors (5558602).

11117198 is an equidigital number, since it uses as much as digits as its factorization.

11117198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5558601.

The product of its digits is 504, while the sum is 29.

The square root of 11117198 is about 3334.2462416564. The cubic root of 11117198 is about 223.1850568954.

The spelling of 11117198 in words is "eleven million, one hundred seventeen thousand, one hundred ninety-eight".