1081982981982 has 16 divisors (see below), whose sum is σ = 2473103958912. Its totient is φ = 309137994840.

The previous prime is 1081982981951. The next prime is 1081982982001. The reversal of 1081982981982 is 2891892891801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12880749744 + ... + 12880749827.

It is an arithmetic number, because the mean of its divisors is an integer number (154568997432).

Almost surely, 2^{1081982981982} is an apocalyptic number.

1081982981982 is an abundant number, since it is smaller than the sum of its proper divisors (1391120976930).

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

1081982981982 is a wasteful number, since it uses less digits than its factorization.

1081982981982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25761499583.

The product of its (nonzero) digits is 11943936, while the sum is 66.

The spelling of 1081982981982 in words is "one trillion, eighty-one billion, nine hundred eighty-two million, nine hundred eighty-one thousand, nine hundred eighty-two".