11722710399 has 8 divisors (see below), whose sum is σ = 15639306672. Its totient is φ = 7810627200.

The previous prime is 11722710371. The next prime is 11722710401. The reversal of 11722710399 is 99301722711.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11722710399 - 2⁵ = 11722710367 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11722710399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11722710299) 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 7 ways as a sum of consecutive naturals, for example, 1122202 + ... + 1132599.

It is an arithmetic number, because the mean of its divisors is an integer number (1954913334).

Almost surely, 2^11722710399 is an apocalyptic number.

11722710399 is a deficient number, since it is larger than the sum of its proper divisors (3916596273).

11722710399 is a wasteful number, since it uses less digits than its factorization.

11722710399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2256537.

The product of its (nonzero) digits is 47628, while the sum is 42.

The spelling of 11722710399 in words is "eleven billion, seven hundred twenty-two million, seven hundred ten thousand, three hundred ninety-nine".