12258538518 has 16 divisors (see below), whose sum is σ = 24518165616. Its totient is φ = 4085998080.

The previous prime is 12258538499. The next prime is 12258538547. The reversal of 12258538518 is 81583585221.

12258538518 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 224998 + ... + 274118.

It is an arithmetic number, because the mean of its divisors is an integer number (1532385351).

Almost surely, 2^12258538518 is an apocalyptic number.

12258538518 is an abundant number, since it is smaller than the sum of its proper divisors (12259627098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12258538518 is a wasteful number, since it uses less digits than its factorization.

12258538518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90719.

The product of its digits is 768000, while the sum is 48.

The spelling of 12258538518 in words is "twelve billion, two hundred fifty-eight million, five hundred thirty-eight thousand, five hundred eighteen".