1128325537828 has 12 divisors (see below), whose sum is σ = 1975182743772. Its totient is φ = 563987611040.

The previous prime is 1128325537811. The next prime is 1128325537831. The reversal of 1128325537828 is 8287355238211.

It can be written as a sum of positive squares in 2 ways, for example, as 516110054464 + 612215483364 = 718408^2 + 782442^2 .

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, 43774975 + ... + 43800742.

It is an arithmetic number, because the mean of its divisors is an integer number (164598561981).

Almost surely, 2^{1128325537828} is an apocalyptic number.

It is an amenable number.

1128325537828 is a deficient number, since it is larger than the sum of its proper divisors (846857205944).

1128325537828 is a wasteful number, since it uses less digits than its factorization.

1128325537828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87578942 (or 87578940 counting only the distinct ones).

The product of its digits is 6451200, while the sum is 55.

The spelling of 1128325537828 in words is "one trillion, one hundred twenty-eight billion, three hundred twenty-five million, five hundred thirty-seven thousand, eight hundred twenty-eight".