13581826159 has 4 divisors (see below), whose sum is σ = 14816537640. Its totient is φ = 12347114680.

The previous prime is 13581826147. The next prime is 13581826199. The reversal of 13581826159 is 95162818531.

13581826159 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95162818531 = 11 ⋅8651165321.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13581826159 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 (13581826199) 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 3 ways as a sum of consecutive naturals, for example, 617355724 + ... + 617355745.

It is an arithmetic number, because the mean of its divisors is an integer number (3704134410).

Almost surely, 2^13581826159 is an apocalyptic number.

13581826159 is a deficient number, since it is larger than the sum of its proper divisors (1234711481).

13581826159 is a wasteful number, since it uses less digits than its factorization.

13581826159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1234711480.

The product of its digits is 518400, while the sum is 49.

The spelling of 13581826159 in words is "thirteen billion, five hundred eighty-one million, eight hundred twenty-six thousand, one hundred fifty-nine".