11724814849 has 4 divisors (see below), whose sum is σ = 12790707120. Its totient is φ = 10658922580.

The previous prime is 11724814841. The next prime is 11724814853. The reversal of 11724814849 is 94841842711.

It is a happy number.

11724814849 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11724814849 - 2³ = 11724814841 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11724814841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 532946119 + ... + 532946140.

It is an arithmetic number, because the mean of its divisors is an integer number (3197676780).

Almost surely, 2^11724814849 is an apocalyptic number.

It is an amenable number.

11724814849 is a deficient number, since it is larger than the sum of its proper divisors (1065892271).

11724814849 is a wasteful number, since it uses less digits than its factorization.

11724814849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1065892270.

The product of its digits is 516096, while the sum is 49.

The spelling of 11724814849 in words is "eleven billion, seven hundred twenty-four million, eight hundred fourteen thousand, eight hundred forty-nine".