1028543357128 has 16 divisors (see below), whose sum is σ = 2204021479680. Its totient is φ = 440804295888.

The previous prime is 1028543357071. The next prime is 1028543357159. The reversal of 1028543357128 is 8217533458201.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9183422776 + ... + 9183422887.

It is an arithmetic number, because the mean of its divisors is an integer number (137751342480).

Almost surely, 2^{1028543357128} is an apocalyptic number.

It is an amenable number.

1028543357128 is an abundant number, since it is smaller than the sum of its proper divisors (1175478122552).

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

1028543357128 is a wasteful number, since it uses less digits than its factorization.

1028543357128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18366845676 (or 18366845672 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 49.

The spelling of 1028543357128 in words is "one trillion, twenty-eight billion, five hundred forty-three million, three hundred fifty-seven thousand, one hundred twenty-eight".