24021312005 has 4 divisors (see below), whose sum is σ = 28825574412. Its totient is φ = 19217049600.

The previous prime is 24021311999. The next prime is 24021312047. The reversal of 24021312005 is 50021312042.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4599823684 + 19421488321 = 67822^2 + 139361^2 .

It is not a de Polignac number, because 24021312005 - 2⁴ = 24021311989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2402131196 + ... + 2402131205.

It is an arithmetic number, because the mean of its divisors is an integer number (7206393603).

Almost surely, 2^24021312005 is an apocalyptic number.

It is an amenable number.

24021312005 is a deficient number, since it is larger than the sum of its proper divisors (4804262407).

24021312005 is an equidigital number, since it uses as much as digits as its factorization.

24021312005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4804262406.

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 24021312005 its reverse (50021312042), we get a palindrome (74042624047).

The spelling of 24021312005 in words is "twenty-four billion, twenty-one million, three hundred twelve thousand, five".