11684388618320 has 160 divisors (see below), whose sum is σ = 29810028036096. Its totient is φ = 4223926540800.

The previous prime is 11684388618317. The next prime is 11684388618337. The reversal of 11684388618320 is 2381688348611.

It is a self number, because there is not a number n which added to its sum of digits gives 11684388618320.

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, 273444797 + ... + 273487523.

Almost surely, 2^{11684388618320} is an apocalyptic number.

11684388618320 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 11684388618320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14905014018048).

11684388618320 is an abundant number, since it is smaller than the sum of its proper divisors (18125639417776).

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

11684388618320 is a wasteful number, since it uses less digits than its factorization.

11684388618320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44569 (or 44563 counting only the distinct ones).

The product of its (nonzero) digits is 10616832, while the sum is 59.

The spelling of 11684388618320 in words is "eleven trillion, six hundred eighty-four billion, three hundred eighty-eight million, six hundred eighteen thousand, three hundred twenty".