11554532003143 has 16 divisors (see below), whose sum is σ = 11796241881600. Its totient is φ = 11314359897120.

The previous prime is 11554532003117. The next prime is 11554532003221. The reversal of 11554532003143 is 34130023545511.

11554532003143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11554532003143 - 2¹⁷ = 11554531872071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11554532004143) 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, 181811953 + ... + 181875493.

It is an arithmetic number, because the mean of its divisors is an integer number (737265117600).

Almost surely, 2^{11554532003143} is an apocalyptic number.

11554532003143 is a deficient number, since it is larger than the sum of its proper divisors (241709878457).

11554532003143 is a wasteful number, since it uses less digits than its factorization.

11554532003143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75582.

The product of its (nonzero) digits is 108000, while the sum is 37.

Adding to 11554532003143 its reverse (34130023545511), we get a palindrome (45684555548654).

The spelling of 11554532003143 in words is "eleven trillion, five hundred fifty-four billion, five hundred thirty-two million, three thousand, one hundred forty-three".