1345620405265 has 16 divisors (see below), whose sum is σ = 1622955035520. Its totient is φ = 1071029042560.

The previous prime is 1345620405263. The next prime is 1345620405287. The reversal of 1345620405265 is 5625040265431.

It is not a de Polignac number, because 1345620405265 - 2¹ = 1345620405263 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1345620405263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1280676 + ... + 2081194.

It is an arithmetic number, because the mean of its divisors is an integer number (101434689720).

Almost surely, 2^{1345620405265} is an apocalyptic number.

It is an amenable number.

1345620405265 is a deficient number, since it is larger than the sum of its proper divisors (277334630255).

1345620405265 is a wasteful number, since it uses less digits than its factorization.

1345620405265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802232.

The product of its (nonzero) digits is 864000, while the sum is 43.

The spelling of 1345620405265 in words is "one trillion, three hundred forty-five billion, six hundred twenty million, four hundred five thousand, two hundred sixty-five".