11724035047 has 4 divisors (see below), whose sum is σ = 11833605576. Its totient is φ = 11614464520.

The previous prime is 11724035041. The next prime is 11724035069. The reversal of 11724035047 is 74053042711.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11724035047 - 2⁷ = 11724034919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11724035041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54785104 + ... + 54785317.

It is an arithmetic number, because the mean of its divisors is an integer number (2958401394).

Almost surely, 2^11724035047 is an apocalyptic number.

11724035047 is a deficient number, since it is larger than the sum of its proper divisors (109570529).

11724035047 is a wasteful number, since it uses less digits than its factorization.

11724035047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109570528.

The product of its (nonzero) digits is 23520, while the sum is 34.

Adding to 11724035047 its reverse (74053042711), we get a palindrome (85777077758).

The spelling of 11724035047 in words is "eleven billion, seven hundred twenty-four million, thirty-five thousand, forty-seven".