1831878053352 has 24 divisors (see below), whose sum is σ = 4961336394690. Its totient is φ = 610626017760.

The previous prime is 1831878053351. The next prime is 1831878053413. The reversal of 1831878053352 is 2533508781381.

1831878053352 is a `hidden beast` number, since 1 + 8 + 31 + 8 + 78 + 0 + 533 + 5 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1207831772196 + 624046281156 = 1099014^2 + 789966^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (1831878053351) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 12721375299 + ... + 12721375442.

Almost surely, 2^{1831878053352} is an apocalyptic number.

1831878053352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1831878053352 is an abundant number, since it is smaller than the sum of its proper divisors (3129458341338).

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

1831878053352 is a wasteful number, since it uses less digits than its factorization.

1831878053352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25442750753 (or 25442750746 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 54.

The spelling of 1831878053352 in words is "one trillion, eight hundred thirty-one billion, eight hundred seventy-eight million, fifty-three thousand, three hundred fifty-two".