8381368527112 has 48 divisors (see below), whose sum is σ = 18320446087020. Its totient is φ = 3584223216000.

The previous prime is 8381368527107. The next prime is 8381368527143. The reversal of 8381368527112 is 2117258631838.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8339354186436 + 42014340676 = 2887794^2 + 204974^2 .

It is a super-3 number, since 3×8381368527112³ (a number of 40 digits) contains 333 as substring.

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 11 ways as a sum of consecutive naturals, for example, 23009139 + ... + 23370562.

Almost surely, 2^{8381368527112} is an apocalyptic number.

It is an amenable number.

8381368527112 is an abundant number, since it is smaller than the sum of its proper divisors (9939077559908).

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

8381368527112 is a wasteful number, since it uses less digits than its factorization.

8381368527112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46380182 (or 46380171 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 55.

The spelling of 8381368527112 in words is "eight trillion, three hundred eighty-one billion, three hundred sixty-eight million, five hundred twenty-seven thousand, one hundred twelve".