11784921886380 has 192 divisors, whose sum is σ = 33885531187200. Its totient is φ = 3058483384320.

The previous prime is 11784921886291. The next prime is 11784921886393. The reversal of 11784921886380 is 8368812948711.

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 63 ways as a sum of consecutive naturals, for example, 2410494976 + ... + 2410499864.

It is an arithmetic number, because the mean of its divisors is an integer number (176487141600).

Almost surely, 2^{11784921886380} is an apocalyptic number.

11784921886380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11784921886380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16942765593600).

11784921886380 is an abundant number, since it is smaller than the sum of its proper divisors (22100609300820).

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

11784921886380 is a wasteful number, since it uses less digits than its factorization.

11784921886380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7144 (or 7142 counting only the distinct ones).

The product of its (nonzero) digits is 37158912, while the sum is 66.

The spelling of 11784921886380 in words is "eleven trillion, seven hundred eighty-four billion, nine hundred twenty-one million, eight hundred eighty-six thousand, three hundred eighty".