11123223198 has 16 divisors (see below), whose sum is σ = 22847702160. Its totient is φ = 3607531776.

The previous prime is 11123223157. The next prime is 11123223203. The reversal of 11123223198 is 89132232111.

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, 25052083 + ... + 25052526.

It is an arithmetic number, because the mean of its divisors is an integer number (1427981385).

Almost surely, 2^11123223198 is an apocalyptic number.

11123223198 is an abundant number, since it is smaller than the sum of its proper divisors (11724478962).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11123223198 is a wasteful number, since it uses less digits than its factorization.

11123223198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50104651.

The product of its digits is 5184, while the sum is 33.

The spelling of 11123223198 in words is "eleven billion, one hundred twenty-three million, two hundred twenty-three thousand, one hundred ninety-eight".