12384525665 has 16 divisors (see below), whose sum is σ = 14905296000. Its totient is φ = 9878424192.

The previous prime is 12384525649. The next prime is 12384525691. The reversal of 12384525665 is 56652548321.

12384525665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12384525665 - 2⁴ = 12384525649 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2852066 + ... + 2856404.

It is an arithmetic number, because the mean of its divisors is an integer number (931581000).

Almost surely, 2^12384525665 is an apocalyptic number.

It is an amenable number.

12384525665 is a deficient number, since it is larger than the sum of its proper divisors (2520770335).

12384525665 is an equidigital number, since it uses as much as digits as its factorization.

12384525665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5896.

The product of its digits is 1728000, while the sum is 47.

The spelling of 12384525665 in words is "twelve billion, three hundred eighty-four million, five hundred twenty-five thousand, six hundred sixty-five".