11784372198 has 32 divisors (see below), whose sum is σ = 24794726400. Its totient is φ = 3728385696.

The previous prime is 11784372191. The next prime is 11784372203. The reversal of 11784372198 is 89127348711.

It is a self number, because there is not a number n which added to its sum of digits gives 11784372198.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11784372191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 563686 + ... + 584217.

It is an arithmetic number, because the mean of its divisors is an integer number (774835200).

Almost surely, 2^11784372198 is an apocalyptic number.

11784372198 is an abundant number, since it is smaller than the sum of its proper divisors (13010354202).

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

11784372198 is a wasteful number, since it uses less digits than its factorization.

11784372198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1147996.

The product of its digits is 677376, while the sum is 51.

The spelling of 11784372198 in words is "eleven billion, seven hundred eighty-four million, three hundred seventy-two thousand, one hundred ninety-eight".