13243561135 has 16 divisors (see below), whose sum is σ = 18164520000. Its totient is φ = 9080338176.

The previous prime is 13243561117. The next prime is 13243561157. The reversal of 13243561135 is 53116534231.

13243561135 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 13243561135 - 2⁵ = 13243561103 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13243561135.

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 15 ways as a sum of consecutive naturals, for example, 522741 + ... + 547489.

It is an arithmetic number, because the mean of its divisors is an integer number (1135282500).

Almost surely, 2^13243561135 is an apocalyptic number.

13243561135 is a deficient number, since it is larger than the sum of its proper divisors (4920958865).

13243561135 is a wasteful number, since it uses less digits than its factorization.

13243561135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40050.

The product of its digits is 32400, while the sum is 34.

The spelling of 13243561135 in words is "thirteen billion, two hundred forty-three million, five hundred sixty-one thousand, one hundred thirty-five".