1345440511297 has 2 divisors, whose sum is σ = 1345440511298. Its totient is φ = 1345440511296.

The previous prime is 1345440511277. The next prime is 1345440511309. The reversal of 1345440511297 is 7921150445431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1163483665201 + 181956846096 = 1078649^2 + 426564^2 .

It is a cyclic number.

It is not a de Polignac number, because 1345440511297 - 2¹¹ = 1345440509249 is a prime.

It is not a weakly prime, because it can be changed into another prime (1345440511277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672720255648 + 672720255649.

It is an arithmetic number, because the mean of its divisors is an integer number (672720255649).

Almost surely, 2^{1345440511297} is an apocalyptic number.

It is an amenable number.

1345440511297 is a deficient number, since it is larger than the sum of its proper divisors (1).

1345440511297 is an equidigital number, since it uses as much as digits as its factorization.

1345440511297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 604800, while the sum is 46.

The spelling of 1345440511297 in words is "one trillion, three hundred forty-five billion, four hundred forty million, five hundred eleven thousand, two hundred ninety-seven".