12548489507 has 4 divisors (see below), whose sum is σ = 12549106440. Its totient is φ = 12547872576.

The previous prime is 12548489483. The next prime is 12548489539. The reversal of 12548489507 is 70598484521.

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 12548489507 - 2¹⁰ = 12548488483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12548489557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 276878 + ... + 318995.

It is an arithmetic number, because the mean of its divisors is an integer number (3137276610).

Almost surely, 2^12548489507 is an apocalyptic number.

12548489507 is a deficient number, since it is larger than the sum of its proper divisors (616933).

12548489507 is an equidigital number, since it uses as much as digits as its factorization.

12548489507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616932.

The product of its (nonzero) digits is 3225600, while the sum is 53.

The spelling of 12548489507 in words is "twelve billion, five hundred forty-eight million, four hundred eighty-nine thousand, five hundred seven".