13158458159985 has 24 divisors (see below), whose sum is σ = 22810584588480. Its totient is φ = 7017047292192.

The previous prime is 13158458159953. The next prime is 13158458159989. The reversal of 13158458159985 is 58995185485131.

13158458159985 is a `hidden beast` number, since 1 + 3 + 1 + 5 + 8 + 458 + 1 + 5 + 99 + 85 = 666.

It is not a de Polignac number, because 13158458159985 - 2⁵ = 13158458159953 is a prime.

It is a super-2 number, since 2×13158458159985² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13158458159989) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16204695 + ... + 16997324.

It is an arithmetic number, because the mean of its divisors is an integer number (950441024520).

Almost surely, 2^{13158458159985} is an apocalyptic number.

13158458159985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13158458159985 is a deficient number, since it is larger than the sum of its proper divisors (9652126428495).

13158458159985 is a wasteful number, since it uses less digits than its factorization.

13158458159985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33210837 (or 33210834 counting only the distinct ones).

The product of its digits is 311040000, while the sum is 72.

The spelling of 13158458159985 in words is "thirteen trillion, one hundred fifty-eight billion, four hundred fifty-eight million, one hundred fifty-nine thousand, nine hundred eighty-five".