1345265065655 has 40 divisors (see below), whose sum is σ = 1927056494352. Its totient is φ = 901014395904.

The previous prime is 1345265065621. The next prime is 1345265065667. The reversal of 1345265065655 is 5565605625431.

It is a happy number.

It is not a de Polignac number, because 1345265065655 - 2⁶ = 1345265065591 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1345265065597 and 1345265065606.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 786794 + ... + 1819223.

Almost surely, 2^{1345265065655} is an apocalyptic number.

1345265065655 is a deficient number, since it is larger than the sum of its proper divisors (581791428697).

1345265065655 is an frugal number, since it uses more digits than its factorization.

1345265065655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2606093 (or 2606072 counting only the distinct ones).

The product of its (nonzero) digits is 16200000, while the sum is 53.

The spelling of 1345265065655 in words is "one trillion, three hundred forty-five billion, two hundred sixty-five million, sixty-five thousand, six hundred fifty-five".