1344265118785 has 4 divisors (see below), whose sum is σ = 1613118142548. Its totient is φ = 1075412095024.

The previous prime is 1344265118717. The next prime is 1344265118809. The reversal of 1344265118785 is 5878115624431.

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 479305597761 + 864959521024 = 692319^2 + 930032^2 .

It is a cyclic number.

It is not a de Polignac number, because 1344265118785 - 2⁷ = 1344265118657 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134426511874 + ... + 134426511883.

It is an arithmetic number, because the mean of its divisors is an integer number (403279535637).

Almost surely, 2^{1344265118785} is an apocalyptic number.

It is an amenable number.

1344265118785 is a deficient number, since it is larger than the sum of its proper divisors (268853023763).

1344265118785 is an equidigital number, since it uses as much as digits as its factorization.

1344265118785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268853023762.

The product of its digits is 6451200, while the sum is 55.

The spelling of 1344265118785 in words is "one trillion, three hundred forty-four billion, two hundred sixty-five million, one hundred eighteen thousand, seven hundred eighty-five".