1605601407325 has 12 divisors (see below), whose sum is σ = 2024690590080. Its totient is φ = 1262710258160.

The previous prime is 1605601407323. The next prime is 1605601407379. The reversal of 1605601407325 is 5237041065061.

It is not a de Polignac number, because 1605601407325 - 2¹ = 1605601407323 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1605601407323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 544270189 + ... + 544273138.

It is an arithmetic number, because the mean of its divisors is an integer number (168724215840).

Almost surely, 2^{1605601407325} is an apocalyptic number.

It is an amenable number.

1605601407325 is a deficient number, since it is larger than the sum of its proper divisors (419089182755).

1605601407325 is a wasteful number, since it uses less digits than its factorization.

1605601407325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1088543396 (or 1088543391 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 40.

The spelling of 1605601407325 in words is "one trillion, six hundred five billion, six hundred one million, four hundred seven thousand, three hundred twenty-five".