1144422366665 has 24 divisors (see below), whose sum is σ = 1459102863192. Its totient is φ = 861528360960.

The previous prime is 1144422366601. The next prime is 1144422366671. The reversal of 1144422366665 is 5666632244411.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 42084060736 + 1102338305929 = 205144^2 + 1049923^2 .

It is not a de Polignac number, because 1144422366665 - 2⁶ = 1144422366601 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8343317 + ... + 8479373.

It is an arithmetic number, because the mean of its divisors is an integer number (60795952633).

Almost surely, 2^{1144422366665} is an apocalyptic number.

It is an amenable number.

1144422366665 is a deficient number, since it is larger than the sum of its proper divisors (314680496527).

1144422366665 is a wasteful number, since it uses less digits than its factorization.

1144422366665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141917 (or 141900 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 50.

The spelling of 1144422366665 in words is "one trillion, one hundred forty-four billion, four hundred twenty-two million, three hundred sixty-six thousand, six hundred sixty-five".