11155198 has 16 divisors (see below), whose sum is σ = 17735760. Its totient is φ = 5252800.

The previous prime is 11155187. The next prime is 11155201. The reversal of 11155198 is 89155111.

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, 33 + ... + 4723.

It is an arithmetic number, because the mean of its divisors is an integer number (1108485).

Almost surely, 2^11155198 is an apocalyptic number.

11155198 is a deficient number, since it is larger than the sum of its proper divisors (6580562).

11155198 is a wasteful number, since it uses less digits than its factorization.

11155198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4763.

The product of its digits is 1800, while the sum is 31.

The square root of 11155198 is about 3339.9398198171. The cubic root of 11155198 is about 223.4390593694.

The spelling of 11155198 in words is "eleven million, one hundred fifty-five thousand, one hundred ninety-eight".