12578737259 has 4 divisors (see below), whose sum is σ = 13722258840. Its totient is φ = 11435215680.

The previous prime is 12578737217. The next prime is 12578737261. The reversal of 12578737259 is 95273787521.

12578737259 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 12578737259 - 2¹² = 12578733163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12578707259) 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, 571760774 + ... + 571760795.

It is an arithmetic number, because the mean of its divisors is an integer number (3430564710).

Almost surely, 2^12578737259 is an apocalyptic number.

12578737259 is a deficient number, since it is larger than the sum of its proper divisors (1143521581).

12578737259 is a wasteful number, since it uses less digits than its factorization.

12578737259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1143521580.

The product of its digits is 7408800, while the sum is 56.

The spelling of 12578737259 in words is "twelve billion, five hundred seventy-eight million, seven hundred thirty-seven thousand, two hundred fifty-nine".