12560026499 has 4 divisors (see below), whose sum is σ = 12560256240. Its totient is φ = 12559796760.

The previous prime is 12560026471. The next prime is 12560026541. The reversal of 12560026499 is 99462006521.

12560026499 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 12560026499 - 2²⁴ = 12543249283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12560026459) 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, 19634 + ... + 159704.

It is an arithmetic number, because the mean of its divisors is an integer number (3140064060).

Almost surely, 2^12560026499 is an apocalyptic number.

12560026499 is a deficient number, since it is larger than the sum of its proper divisors (229741).

12560026499 is an equidigital number, since it uses as much as digits as its factorization.

12560026499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229740.

The product of its (nonzero) digits is 233280, while the sum is 44.

The spelling of 12560026499 in words is "twelve billion, five hundred sixty million, twenty-six thousand, four hundred ninety-nine".