1345261036615 has 16 divisors (see below), whose sum is σ = 1662272252928. Its totient is φ = 1044388048896.

The previous prime is 1345261036597. The next prime is 1345261036627. The reversal of 1345261036615 is 5166301625431.

It is a cyclic number.

It is not a de Polignac number, because 1345261036615 - 2⁵ = 1345261036583 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 9422202 + ... + 9563911.

It is an arithmetic number, because the mean of its divisors is an integer number (103892015808).

Almost surely, 2^{1345261036615} is an apocalyptic number.

1345261036615 is a deficient number, since it is larger than the sum of its proper divisors (317011216313).

1345261036615 is a wasteful number, since it uses less digits than its factorization.

1345261036615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18986538.

The product of its (nonzero) digits is 388800, while the sum is 43.

The spelling of 1345261036615 in words is "one trillion, three hundred forty-five billion, two hundred sixty-one million, thirty-six thousand, six hundred fifteen".