1345265205656 has 16 divisors (see below), whose sum is σ = 2522487083040. Its totient is φ = 672601983520.

The previous prime is 1345265205589. The next prime is 1345265205659. The reversal of 1345265205656 is 6565025625431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345265205659) 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, 3640151 + ... + 3992646.

It is an arithmetic number, because the mean of its divisors is an integer number (157655442690).

Almost surely, 2^{1345265205656} is an apocalyptic number.

It is an amenable number.

1345265205656 is a deficient number, since it is larger than the sum of its proper divisors (1177221877384).

1345265205656 is a wasteful number, since it uses less digits than its factorization.

1345265205656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7654834 (or 7654830 counting only the distinct ones).

The product of its (nonzero) digits is 6480000, while the sum is 50.

The spelling of 1345265205656 in words is "one trillion, three hundred forty-five billion, two hundred sixty-five million, two hundred five thousand, six hundred fifty-six".