12471345559 has 4 divisors (see below), whose sum is σ = 12484917040. Its totient is φ = 12457774080.

The previous prime is 12471345553. The next prime is 12471345563. The reversal of 12471345559 is 95554317421.

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 12471345559 - 2⁷ = 12471345431 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 (12471345553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6784362 + ... + 6786199.

It is an arithmetic number, because the mean of its divisors is an integer number (3121229260).

Almost surely, 2^12471345559 is an apocalyptic number.

12471345559 is a deficient number, since it is larger than the sum of its proper divisors (13571481).

12471345559 is an equidigital number, since it uses as much as digits as its factorization.

12471345559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13571480.

The product of its digits is 756000, while the sum is 46.

The spelling of 12471345559 in words is "twelve billion, four hundred seventy-one million, three hundred forty-five thousand, five hundred fifty-nine".