1605412275311 has 6 divisors (see below), whose sum is σ = 1738405008360. Its totient is φ = 1481919023208.

The previous prime is 1605412275293. The next prime is 1605412275317. The reversal of 1605412275311 is 1135722145061.

It is not a de Polignac number, because 1605412275311 - 2¹⁰ = 1605412274287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1605412275317) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4749740291 + ... + 4749740628.

It is an arithmetic number, because the mean of its divisors is an integer number (289734168060).

Almost surely, 2^{1605412275311} is an apocalyptic number.

1605412275311 is a deficient number, since it is larger than the sum of its proper divisors (132992733049).

1605412275311 is an equidigital number, since it uses as much as digits as its factorization.

1605412275311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9499480945 (or 9499480932 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 38.

The spelling of 1605412275311 in words is "one trillion, six hundred five billion, four hundred twelve million, two hundred seventy-five thousand, three hundred eleven".