1144064066641 has 4 divisors (see below), whose sum is σ = 1211361952932. Its totient is φ = 1076766180352.

The previous prime is 1144064066603. The next prime is 1144064066681. The reversal of 1144064066641 is 1466604604411.

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

It can be written as a sum of positive squares in 2 ways, for example, as 481468066641 + 662596000000 = 693879^2 + 814000^2 .

It is a cyclic number.

It is not a de Polignac number, because 1144064066641 - 2¹¹ = 1144064064593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1144064066681) 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, 33648943120 + ... + 33648943153.

It is an arithmetic number, because the mean of its divisors is an integer number (302840488233).

Almost surely, 2^{1144064066641} is an apocalyptic number.

It is an amenable number.

1144064066641 is a deficient number, since it is larger than the sum of its proper divisors (67297886291).

1144064066641 is an equidigital number, since it uses as much as digits as its factorization.

1144064066641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67297886290.

The product of its (nonzero) digits is 331776, while the sum is 43.

The spelling of 1144064066641 in words is "one trillion, one hundred forty-four billion, sixty-four million, sixty-six thousand, six hundred forty-one".