1444381117775 has 12 divisors (see below), whose sum is σ = 1816258399344. Its totient is φ = 1139230176000.

The previous prime is 1444381117723. The next prime is 1444381117783. The reversal of 1444381117775 is 5777111834441.

It is not a de Polignac number, because 1444381117775 - 2⁸ = 1444381117519 is a prime.

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 406866146 + ... + 406869695.

It is an arithmetic number, because the mean of its divisors is an integer number (151354866612).

Almost surely, 2^{1444381117775} is an apocalyptic number.

1444381117775 is a deficient number, since it is larger than the sum of its proper divisors (371877281569).

1444381117775 is an equidigital number, since it uses as much as digits as its factorization.

1444381117775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813735922 (or 813735917 counting only the distinct ones).

The product of its digits is 2634240, while the sum is 53.

The spelling of 1444381117775 in words is "one trillion, four hundred forty-four billion, three hundred eighty-one million, one hundred seventeen thousand, seven hundred seventy-five".