13128260585 has 16 divisors (see below), whose sum is σ = 17189953920. Its totient is φ = 9545677440.

The previous prime is 13128260581. The next prime is 13128260599. The reversal of 13128260585 is 58506282131.

13128260585 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13128260585 - 2² = 13128260581 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13128260581) 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 15 ways as a sum of consecutive naturals, for example, 244484 + ... + 293306.

It is an arithmetic number, because the mean of its divisors is an integer number (1074372120).

Almost surely, 2^13128260585 is an apocalyptic number.

It is an amenable number.

13128260585 is a deficient number, since it is larger than the sum of its proper divisors (4061693335).

13128260585 is a wasteful number, since it uses less digits than its factorization.

13128260585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53728.

The product of its (nonzero) digits is 115200, while the sum is 41.

The spelling of 13128260585 in words is "thirteen billion, one hundred twenty-eight million, two hundred sixty thousand, five hundred eighty-five".