1128203145684 has 96 divisors (see below), whose sum is σ = 2933946288000. Its totient is φ = 374914752768.

The previous prime is 1128203145673. The next prime is 1128203145701. The reversal of 1128203145684 is 4865413028211.

1128203145684 is a `hidden beast` number, since 1 + 1 + 2 + 82 + 0 + 3 + 1 + 4 + 568 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 103890247 + ... + 103901105.

It is an arithmetic number, because the mean of its divisors is an integer number (30561940500).

Almost surely, 2^{1128203145684} is an apocalyptic number.

It is an amenable number.

1128203145684 is an abundant number, since it is smaller than the sum of its proper divisors (1805743142316).

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

1128203145684 is a wasteful number, since it uses less digits than its factorization.

1128203145684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13734 (or 13726 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 45.

The spelling of 1128203145684 in words is "one trillion, one hundred twenty-eight billion, two hundred three million, one hundred forty-five thousand, six hundred eighty-four".