11913984122880 has 2016 divisors, whose sum is σ = 48070930446720. Its totient is φ = 2508639436800.

The previous prime is 11913984122867. The next prime is 11913984122891. The reversal of 11913984122880 is 8822148931911.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 11913984122880.

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 143 ways as a sum of consecutive naturals, for example, 167802593245 + ... + 167802593315.

Almost surely, 2^{11913984122880} is an apocalyptic number.

11913984122880 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 11913984122880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24035465223360).

11913984122880 is an abundant number, since it is smaller than the sum of its proper divisors (36156946323840).

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

11913984122880 is an equidigital number, since it uses as much as digits as its factorization.

11913984122880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210 (or 148 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 57.

The spelling of 11913984122880 in words is "eleven trillion, nine hundred thirteen billion, nine hundred eighty-four million, one hundred twenty-two thousand, eight hundred eighty".