1328105525000 has 96 divisors (see below), whose sum is σ = 3184935526080. Its totient is φ = 518887320000.

The previous prime is 1328105524969. The next prime is 1328105525039. The reversal of 1328105525000 is 5255018231.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 457277 + ... + 1692723.

It is an arithmetic number, because the mean of its divisors is an integer number (33176411730).

Almost surely, 2^{1328105525000} is an apocalyptic number.

1328105525000 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 1328105525000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1592467763040).

1328105525000 is an abundant number, since it is smaller than the sum of its proper divisors (1856830001080).

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

1328105525000 is an equidigital number, since it uses as much as digits as its factorization.

1328105525000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1235521 (or 1235497 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 32.

The spelling of 1328105525000 in words is "one trillion, three hundred twenty-eight billion, one hundred five million, five hundred twenty-five thousand".