1831471782112 has 48 divisors (see below), whose sum is σ = 4120910246880. Its totient is φ = 784897671168.

The previous prime is 1831471782083. The next prime is 1831471782139. The reversal of 1831471782112 is 2112871741381.

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 7 ways as a sum of consecutive naturals, for example, 13436928 + ... + 13572544.

It is an arithmetic number, because the mean of its divisors is an integer number (85852296810).

Almost surely, 2^{1831471782112} is an apocalyptic number.

It is an amenable number.

1831471782112 is an abundant number, since it is smaller than the sum of its proper divisors (2289438464768).

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

1831471782112 is a wasteful number, since it uses less digits than its factorization.

1831471782112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195923 (or 195915 counting only the distinct ones).

The product of its digits is 150528, while the sum is 46.

The spelling of 1831471782112 in words is "one trillion, eight hundred thirty-one billion, four hundred seventy-one million, seven hundred eighty-two thousand, one hundred twelve".