1345265205655 has 8 divisors (see below), whose sum is σ = 1844935139232. Its totient is φ = 922467569568.

The previous prime is 1345265205589. The next prime is 1345265205659. The reversal of 1345265205655 is 5565025625431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1345265205655 - 2¹⁷ = 1345265074583 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1345265205599 and 1345265205608.

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19218074332 + ... + 19218074401.

It is an arithmetic number, because the mean of its divisors is an integer number (230616892404).

Almost surely, 2^{1345265205655} is an apocalyptic number.

1345265205655 is a deficient number, since it is larger than the sum of its proper divisors (499669933577).

1345265205655 is an equidigital number, since it uses as much as digits as its factorization.

1345265205655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38436148745.

The product of its (nonzero) digits is 5400000, while the sum is 49.

The spelling of 1345265205655 in words is "one trillion, three hundred forty-five billion, two hundred sixty-five million, two hundred five thousand, six hundred fifty-five".