11992400987196 has 384 divisors, whose sum is σ = 35559869184000. Its totient is φ = 3066725007360.

The previous prime is 11992400987191. The next prime is 11992400987197. The reversal of 11992400987196 is 69178900429911.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11992400987191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 847572330 + ... + 847586478.

It is an arithmetic number, because the mean of its divisors is an integer number (92603826000).

Almost surely, 2^{11992400987196} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11992400987196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17779934592000).

11992400987196 is an abundant number, since it is smaller than the sum of its proper divisors (23567468196804).

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

11992400987196 is a wasteful number, since it uses less digits than its factorization.

11992400987196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14517 (or 14515 counting only the distinct ones).

The product of its (nonzero) digits is 17635968, while the sum is 66.

The spelling of 11992400987196 in words is "eleven trillion, nine hundred ninety-two billion, four hundred million, nine hundred eighty-seven thousand, one hundred ninety-six".