11554543551204 has 192 divisors, whose sum is σ = 33273580032000. Its totient is φ = 3450943077120.

The previous prime is 11554543551179. The next prime is 11554543551217. The reversal of 11554543551204 is 40215534545511.

11554543551204 is a `hidden beast` number, since 1 + 1 + 5 + 5 + 4 + 5 + 435 + 5 + 1 + 204 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 11554543551204.

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 63 ways as a sum of consecutive naturals, for example, 2825049 + ... + 5575839.

It is an arithmetic number, because the mean of its divisors is an integer number (173299896000).

Almost surely, 2^{11554543551204} 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 11554543551204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16636790016000).

11554543551204 is an abundant number, since it is smaller than the sum of its proper divisors (21719036480796).

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

11554543551204 is a wasteful number, since it uses less digits than its factorization.

11554543551204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2750935 (or 2750927 counting only the distinct ones).

The product of its (nonzero) digits is 1200000, while the sum is 45.

The spelling of 11554543551204 in words is "eleven trillion, five hundred fifty-four billion, five hundred forty-three million, five hundred fifty-one thousand, two hundred four".