13187648325018 has 16 divisors (see below), whose sum is σ = 26468495581536. Its totient is φ = 4380349619760.

The previous prime is 13187648325017. The next prime is 13187648325037. The reversal of 13187648325018 is 81052384678131.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13187648325017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3883286973 + ... + 3883290368.

It is an arithmetic number, because the mean of its divisors is an integer number (1654280973846).

Almost surely, 2^{13187648325018} is an apocalyptic number.

13187648325018 is an abundant number, since it is smaller than the sum of its proper divisors (13280847256518).

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

13187648325018 is a wasteful number, since it uses less digits than its factorization.

13187648325018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7766577629.

The product of its (nonzero) digits is 7741440, while the sum is 57.

The spelling of 13187648325018 in words is "thirteen trillion, one hundred eighty-seven billion, six hundred forty-eight million, three hundred twenty-five thousand, eighteen".