11655543747120 has 480 divisors, whose sum is σ = 44739538486272. Its totient is φ = 2457827094528.

The previous prime is 11655543747037. The next prime is 11655543747131. The reversal of 11655543747120 is 2174734555611.

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 560163757 + ... + 560184563.

Almost surely, 2^{11655543747120} is an apocalyptic number.

11655543747120 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 11655543747120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22369769243136).

11655543747120 is an abundant number, since it is smaller than the sum of its proper divisors (33083994739152).

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

11655543747120 is a wasteful number, since it uses less digits than its factorization.

11655543747120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22829 (or 22810 counting only the distinct ones).

The product of its (nonzero) digits is 3528000, while the sum is 51.

The spelling of 11655543747120 in words is "eleven trillion, six hundred fifty-five billion, five hundred forty-three million, seven hundred forty-seven thousand, one hundred twenty".