11782973312 has 32 divisors (see below), whose sum is σ = 25607885400. Its totient is φ = 5355896320.

The previous prime is 11782973287. The next prime is 11782973359. The reversal of 11782973312 is 21337928711.

11782973312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4182887 + ... + 4185702.

Almost surely, 2^11782973312 is an apocalyptic number.

It is an amenable number.

11782973312 is an abundant number, since it is smaller than the sum of its proper divisors (13824912088).

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

11782973312 is an equidigital number, since it uses as much as digits as its factorization.

11782973312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8368614 (or 8368602 counting only the distinct ones).

The product of its digits is 127008, while the sum is 44.

The spelling of 11782973312 in words is "eleven billion, seven hundred eighty-two million, nine hundred seventy-three thousand, three hundred twelve".