18058411128 has 64 divisors (see below), whose sum is σ = 46801152000. Its totient is φ = 5799661952.

The previous prime is 18058411117. The next prime is 18058411159. The reversal of 18058411128 is 82111485081.

It is a super-2 number, since 2×18058411128² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 306301 + ... + 360467.

It is an arithmetic number, because the mean of its divisors is an integer number (731268000).

Almost surely, 2^18058411128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18058411128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23400576000).

18058411128 is an abundant number, since it is smaller than the sum of its proper divisors (28742740872).

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

18058411128 is a wasteful number, since it uses less digits than its factorization.

18058411128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54684 (or 54680 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 39.

The spelling of 18058411128 in words is "eighteen billion, fifty-eight million, four hundred eleven thousand, one hundred twenty-eight".