11843384784 has 160 divisors (see below), whose sum is σ = 38344879104. Its totient is φ = 3060080640.

The previous prime is 11843384759. The next prime is 11843384821. The reversal of 11843384784 is 48748334811.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 705027 + ... + 721629.

Almost surely, 2^11843384784 is an apocalyptic number.

11843384784 is a gapful number since it is divisible by the number (14) 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 11843384784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19172439552).

11843384784 is an abundant number, since it is smaller than the sum of its proper divisors (26501494320).

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

11843384784 is a wasteful number, since it uses less digits than its factorization.

11843384784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16825 (or 16819 counting only the distinct ones).

The product of its digits is 2064384, while the sum is 51.

The spelling of 11843384784 in words is "eleven billion, eight hundred forty-three million, three hundred eighty-four thousand, seven hundred eighty-four".