11824407447 has 4 divisors (see below), whose sum is σ = 15765876600. Its totient is φ = 7882938296.

The previous prime is 11824407437. The next prime is 11824407487. The reversal of 11824407447 is 74470442811.

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 11824407447 - 2⁶ = 11824407383 is a prime.

It is a super-2 number, since 2×11824407447² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11824407399 and 11824407408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11824407437) 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, 1970734572 + ... + 1970734577.

It is an arithmetic number, because the mean of its divisors is an integer number (3941469150).

Almost surely, 2^11824407447 is an apocalyptic number.

11824407447 is a deficient number, since it is larger than the sum of its proper divisors (3941469153).

11824407447 is an equidigital number, since it uses as much as digits as its factorization.

11824407447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3941469152.

The product of its (nonzero) digits is 200704, while the sum is 42.

The spelling of 11824407447 in words is "eleven billion, eight hundred twenty-four million, four hundred seven thousand, four hundred forty-seven".