12516484459 has 4 divisors (see below), whose sum is σ = 12572612416. Its totient is φ = 12460356504.

The previous prime is 12516484451. The next prime is 12516484499. The reversal of 12516484459 is 95448461521.

12516484459 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.

It is a cyclic number.

It is not a de Polignac number, because 12516484459 - 2³ = 12516484451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12516484451) 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, 28063644 + ... + 28064089.

It is an arithmetic number, because the mean of its divisors is an integer number (3143153104).

Almost surely, 2^12516484459 is an apocalyptic number.

12516484459 is a deficient number, since it is larger than the sum of its proper divisors (56127957).

12516484459 is an equidigital number, since it uses as much as digits as its factorization.

12516484459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56127956.

The product of its digits is 1382400, while the sum is 49.

The spelling of 12516484459 in words is "twelve billion, five hundred sixteen million, four hundred eighty-four thousand, four hundred fifty-nine".