18043538912058 has 96 divisors (see below), whose sum is σ = 39730930868160. Its totient is φ = 5458789177600.

The previous prime is 18043538912039. The next prime is 18043538912071. The reversal of 18043538912058 is 85021983534081.

It is a junction number, because it is equal to n+sod(n) for n = 18043538911989 and 18043538912007.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2036282548 + ... + 2036291408.

It is an arithmetic number, because the mean of its divisors is an integer number (413863863210).

Almost surely, 2^{18043538912058} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18043538912058, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19865465434080).

18043538912058 is an abundant number, since it is smaller than the sum of its proper divisors (21687391956102).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18043538912058 is a wasteful number, since it uses less digits than its factorization.

18043538912058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13164 (or 13153 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 57.

The spelling of 18043538912058 in words is "eighteen trillion, forty-three billion, five hundred thirty-eight million, nine hundred twelve thousand, fifty-eight".