13159181585 has 32 divisors (see below), whose sum is σ = 18584111232. Its totient is φ = 8837370880.

The previous prime is 13159181501. The next prime is 13159181587. The reversal of 13159181585 is 58518195131.

It is not a de Polignac number, because 13159181585 - 2²⁴ = 13142404369 is a prime.

It is a super-2 number, since 2×13159181585² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13159181587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 83219 + ... + 182328.

It is an arithmetic number, because the mean of its divisors is an integer number (580753476).

Almost surely, 2^13159181585 is an apocalyptic number.

It is an amenable number.

13159181585 is a deficient number, since it is larger than the sum of its proper divisors (5424929647).

13159181585 is a wasteful number, since it uses less digits than its factorization.

13159181585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265633.

The product of its digits is 216000, while the sum is 47.

The spelling of 13159181585 in words is "thirteen billion, one hundred fifty-nine million, one hundred eighty-one thousand, five hundred eighty-five".