1158518493600 has 288 divisors, whose sum is σ = 4121673071040. Its totient is φ = 280916951040.

The previous prime is 1158518493571. The next prime is 1158518493683. The reversal of 1158518493600 is 63948158511.

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, 1813296 + ... + 2367504.

It is an arithmetic number, because the mean of its divisors is an integer number (14311364830).

Almost surely, 2^{1158518493600} is an apocalyptic number.

1158518493600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1158518493600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2060836535520).

1158518493600 is an abundant number, since it is smaller than the sum of its proper divisors (2963154577440).

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

1158518493600 is a wasteful number, since it uses less digits than its factorization.

1158518493600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554312 (or 554299 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 51.

The spelling of 1158518493600 in words is "one trillion, one hundred fifty-eight billion, five hundred eighteen million, four hundred ninety-three thousand, six hundred".