11722494198 has 16 divisors (see below), whose sum is σ = 23446503360. Its totient is φ = 3907245576.

The previous prime is 11722494193. The next prime is 11722494221. The reversal of 11722494198 is 89149422711.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11722494191) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 54261 + ... + 162447.

It is an arithmetic number, because the mean of its divisors is an integer number (1465406460).

Almost surely, 2^11722494198 is an apocalyptic number.

11722494198 is an abundant number, since it is smaller than the sum of its proper divisors (11724009162).

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

11722494198 is a wasteful number, since it uses less digits than its factorization.

11722494198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126251.

The product of its digits is 290304, while the sum is 48.

The spelling of 11722494198 in words is "eleven billion, seven hundred twenty-two million, four hundred ninety-four thousand, one hundred ninety-eight".