11123240198 has 24 divisors (see below), whose sum is σ = 19486288584. Its totient is φ = 4748100000.

The previous prime is 11123240189. The next prime is 11123240201. The reversal of 11123240198 is 89104232111.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 201503 + ... + 250698.

It is an arithmetic number, because the mean of its divisors is an integer number (811928691).

Almost surely, 2^11123240198 is an apocalyptic number.

11123240198 is a deficient number, since it is larger than the sum of its proper divisors (8363048386).

11123240198 is a wasteful number, since it uses less digits than its factorization.

11123240198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452468 (or 452461 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 32.

The spelling of 11123240198 in words is "eleven billion, one hundred twenty-three million, two hundred forty thousand, one hundred ninety-eight".