1081943668848 has 40 divisors (see below), whose sum is σ = 3194309880448. Its totient is φ = 309126762432.

The previous prime is 1081943668831. The next prime is 1081943668873. The reversal of 1081943668848 is 8488663491801.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1610034886 + ... + 1610035557.

Almost surely, 2^{1081943668848} is an apocalyptic number.

It is an amenable number.

1081943668848 is an abundant number, since it is smaller than the sum of its proper divisors (2112366211600).

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

1081943668848 is a wasteful number, since it uses less digits than its factorization.

1081943668848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3220070461 (or 3220070455 counting only the distinct ones).

The product of its (nonzero) digits is 63700992, while the sum is 66.

The spelling of 1081943668848 in words is "one trillion, eighty-one billion, nine hundred forty-three million, six hundred sixty-eight thousand, eight hundred forty-eight".