11782751281312 has 24 divisors (see below), whose sum is σ = 25306136275392. Its totient is φ = 5355796036800.

The previous prime is 11782751281291. The next prime is 11782751281361. The reversal of 11782751281312 is 21318215728711.

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 3 ways as a sum of consecutive naturals, for example, 16736862264 + ... + 16736862967.

It is an arithmetic number, because the mean of its divisors is an integer number (1054422344808).

Almost surely, 2^{11782751281312} is an apocalyptic number.

It is an amenable number.

11782751281312 is an abundant number, since it is smaller than the sum of its proper divisors (13523384994080).

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

11782751281312 is a wasteful number, since it uses less digits than its factorization.

11782751281312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33473725252 (or 33473725244 counting only the distinct ones).

The product of its digits is 376320, while the sum is 49.

The spelling of 11782751281312 in words is "eleven trillion, seven hundred eighty-two billion, seven hundred fifty-one million, two hundred eighty-one thousand, three hundred twelve".