12043543550554 has 16 divisors (see below), whose sum is σ = 18678087693000. Its totient is φ = 5819698891584.

The previous prime is 12043543550531. The next prime is 12043543550593. The reversal of 12043543550554 is 45505534534021.

It can be written as a sum of positive squares in 4 ways, for example, as 11738538084025 + 305005466529 = 3426155^2 + 552273^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 546131889 + ... + 546153940.

Almost surely, 2^{12043543550554} is an apocalyptic number.

12043543550554 is a deficient number, since it is larger than the sum of its proper divisors (6634544142446).

12043543550554 is a wasteful number, since it uses less digits than its factorization.

12043543550554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1092286017.

The product of its (nonzero) digits is 3600000, while the sum is 46.

The spelling of 12043543550554 in words is "twelve trillion, forty-three billion, five hundred forty-three million, five hundred fifty thousand, five hundred fifty-four".