1128208281828 has 48 divisors (see below), whose sum is σ = 2659152187776. Its totient is φ = 372261657600.

The previous prime is 1128208281797. The next prime is 1128208281971. The reversal of 1128208281828 is 8281828028211.

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, 5366625 + ... + 5572887.

It is an arithmetic number, because the mean of its divisors is an integer number (55399003912).

Almost surely, 2^{1128208281828} is an apocalyptic number.

It is an amenable number.

1128208281828 is an abundant number, since it is smaller than the sum of its proper divisors (1530943905948).

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

1128208281828 is a wasteful number, since it uses less digits than its factorization.

1128208281828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210884 (or 210882 counting only the distinct ones).

The product of its (nonzero) digits is 524288, while the sum is 51.

The spelling of 1128208281828 in words is "one trillion, one hundred twenty-eight billion, two hundred eight million, two hundred eighty-one thousand, eight hundred twenty-eight".