1081982378880 has 256 divisors, whose sum is σ = 4126792622400. Its totient is φ = 266334068736.

The previous prime is 1081982378863. The next prime is 1081982378899. The reversal of 1081982378880 is 888732891801.

1081982378880 is a `hidden beast` number, since 108 + 1 + 9 + 82 + 378 + 8 + 80 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2183619 + ... + 2632898.

Almost surely, 2^{1081982378880} is an apocalyptic number.

1081982378880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1081982378880 is an abundant number, since it is smaller than the sum of its proper divisors (3044810243520).

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

1081982378880 is a wasteful number, since it uses less digits than its factorization.

1081982378880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4816558 (or 4816540 counting only the distinct ones).

The product of its (nonzero) digits is 12386304, while the sum is 63.

The spelling of 1081982378880 in words is "one trillion, eighty-one billion, nine hundred eighty-two million, three hundred seventy-eight thousand, eight hundred eighty".