11040543647166 has 128 divisors (see below), whose sum is σ = 24630022149120. Its totient is φ = 3271118745600.

The previous prime is 11040543647149. The next prime is 11040543647213. The reversal of 11040543647166 is 66174634504011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 458158830 + ... + 458182926.

It is an arithmetic number, because the mean of its divisors is an integer number (192422048040).

Almost surely, 2^{11040543647166} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11040543647166, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12315011074560).

11040543647166 is an abundant number, since it is smaller than the sum of its proper divisors (13589478501954).

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

11040543647166 is a wasteful number, since it uses less digits than its factorization.

11040543647166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24850.

The product of its (nonzero) digits is 1451520, while the sum is 48.

The spelling of 11040543647166 in words is "eleven trillion, forty billion, five hundred forty-three million, six hundred forty-seven thousand, one hundred sixty-six".