11446505422243 has 4 divisors (see below), whose sum is σ = 11456450258688. Its totient is φ = 11436560585800.

The previous prime is 11446505422213. The next prime is 11446505422279. The reversal of 11446505422243 is 34222450564411.

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 11446505422243 - 2⁵ = 11446505422211 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11446505422243.

It is not an unprimeable number, because it can be changed into a prime (11446505422213) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4972416496 + ... + 4972418797.

It is an arithmetic number, because the mean of its divisors is an integer number (2864112564672).

Almost surely, 2^{11446505422243} is an apocalyptic number.

11446505422243 is a deficient number, since it is larger than the sum of its proper divisors (9944836445).

11446505422243 is an equidigital number, since it uses as much as digits as its factorization.

11446505422243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9944836444.

The product of its (nonzero) digits is 921600, while the sum is 43.

Adding to 11446505422243 its reverse (34222450564411), we get a palindrome (45668955986654).

The spelling of 11446505422243 in words is "eleven trillion, four hundred forty-six billion, five hundred five million, four hundred twenty-two thousand, two hundred forty-three".