11446434066641 has 4 divisors (see below), whose sum is σ = 13081638933312. Its totient is φ = 9811229199972.

The previous prime is 11446434066583. The next prime is 11446434066647. The reversal of 11446434066641 is 14666043464411.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11446434066641 - 2¹⁸ = 11446433804497 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11446434066641.

It is not an unprimeable number, because it can be changed into a prime (11446434066647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 817602433325 + ... + 817602433338.

It is an arithmetic number, because the mean of its divisors is an integer number (3270409733328).

Almost surely, 2^{11446434066641} is an apocalyptic number.

It is an amenable number.

11446434066641 is a deficient number, since it is larger than the sum of its proper divisors (1635204866671).

11446434066641 is an equidigital number, since it uses as much as digits as its factorization.

11446434066641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1635204866670.

The product of its (nonzero) digits is 3981312, while the sum is 50.

The spelling of 11446434066641 in words is "eleven trillion, four hundred forty-six billion, four hundred thirty-four million, sixty-six thousand, six hundred forty-one".