11444505546143 has 4 divisors (see below), whose sum is σ = 11444557081320. Its totient is φ = 11444454010968.

The previous prime is 11444505546119. The next prime is 11444505546151. The reversal of 11444505546143 is 34164550544411.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11444505546143 - 2²⁶ = 11444438437279 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 (11444505546113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25433033 + ... + 25879106.

It is an arithmetic number, because the mean of its divisors is an integer number (2861139270330).

Almost surely, 2^{11444505546143} is an apocalyptic number.

11444505546143 is a deficient number, since it is larger than the sum of its proper divisors (51535177).

11444505546143 is an equidigital number, since it uses as much as digits as its factorization.

11444505546143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51535176.

The product of its (nonzero) digits is 2304000, while the sum is 47.

The spelling of 11444505546143 in words is "eleven trillion, four hundred forty-four billion, five hundred five million, five hundred forty-six thousand, one hundred forty-three".