13506858559 has 8 divisors (see below), whose sum is σ = 13636878848. Its totient is φ = 13377208320.

The previous prime is 13506858553. The next prime is 13506858577. The reversal of 13506858559 is 95585860531.

13506858559 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13506858559 - 2¹¹ = 13506856511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13506858553) 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 7 ways as a sum of consecutive naturals, for example, 18882 + ... + 165439.

It is an arithmetic number, because the mean of its divisors is an integer number (1704609856).

Almost surely, 2^13506858559 is an apocalyptic number.

13506858559 is a deficient number, since it is larger than the sum of its proper divisors (130020289).

13506858559 is a wasteful number, since it uses less digits than its factorization.

13506858559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185025.

The product of its (nonzero) digits is 6480000, while the sum is 55.

The spelling of 13506858559 in words is "thirteen billion, five hundred six million, eight hundred fifty-eight thousand, five hundred fifty-nine".