11724718398822 has 384 divisors, whose sum is σ = 31530714808320. Its totient is φ = 3218316416640.

The previous prime is 11724718398803. The next prime is 11724718398859. The reversal of 11724718398822 is 22889381742711.

11724718398822 is a `hidden beast` number, since 1 + 1 + 7 + 2 + 471 + 83 + 9 + 8 + 82 + 2 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 11724718398822.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 2636543403 + ... + 2636547849.

It is an arithmetic number, because the mean of its divisors is an integer number (82111236480).

Almost surely, 2^{11724718398822} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11724718398822, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15765357404160).

11724718398822 is an abundant number, since it is smaller than the sum of its proper divisors (19805996409498).

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

11724718398822 is a wasteful number, since it uses less digits than its factorization.

11724718398822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5190 (or 5178 counting only the distinct ones).

The product of its digits is 21676032, while the sum is 63.

The spelling of 11724718398822 in words is "eleven trillion, seven hundred twenty-four billion, seven hundred eighteen million, three hundred ninety-eight thousand, eight hundred twenty-two".