1128161783282 has 8 divisors (see below), whose sum is σ = 1750595870700. Its totient is φ = 544629826384.

The previous prime is 1128161783261. The next prime is 1128161783317. The reversal of 1128161783282 is 2823871618211.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1125103582681 + 3058200601 = 1060709^2 + 55301^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1128161783282.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9725532557 + ... + 9725532672.

Almost surely, 2^{1128161783282} is an apocalyptic number.

1128161783282 is a deficient number, since it is larger than the sum of its proper divisors (622434087418).

1128161783282 is a wasteful number, since it uses less digits than its factorization.

1128161783282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19451065260.

The product of its digits is 516096, while the sum is 50.

The spelling of 1128161783282 in words is "one trillion, one hundred twenty-eight billion, one hundred sixty-one million, seven hundred eighty-three thousand, two hundred eighty-two".