11996441184720 has 80 divisors (see below), whose sum is σ = 38471345890560. Its totient is φ = 3088738877952.

The previous prime is 11996441184709. The next prime is 11996441184727. The reversal of 11996441184720 is 2748114469911.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×11996441184720² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11996441184727) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 861806344 + ... + 861820263.

It is an arithmetic number, because the mean of its divisors is an integer number (480891823632).

Almost surely, 2^{11996441184720} is an apocalyptic number.

11996441184720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11996441184720 is an abundant number, since it is smaller than the sum of its proper divisors (26474904705840).

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

11996441184720 is a wasteful number, since it uses less digits than its factorization.

11996441184720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1723626652 (or 1723626646 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 57.

The spelling of 11996441184720 in words is "eleven trillion, nine hundred ninety-six billion, four hundred forty-one million, one hundred eighty-four thousand, seven hundred twenty".