1323765666325 has 24 divisors (see below), whose sum is σ = 1745675630720. Its totient is φ = 992931955200.

The previous prime is 1323765666299. The next prime is 1323765666337. The reversal of 1323765666325 is 5236665673231.

It is not a de Polignac number, because 1323765666325 - 2¹³ = 1323765658133 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14319261 + ... + 14411410.

Almost surely, 2^{1323765666325} is an apocalyptic number.

It is an amenable number.

1323765666325 is a deficient number, since it is larger than the sum of its proper divisors (421909964395).

1323765666325 is a wasteful number, since it uses less digits than its factorization.

1323765666325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28730797 (or 28730792 counting only the distinct ones).

The product of its digits is 24494400, while the sum is 55.

The spelling of 1323765666325 in words is "one trillion, three hundred twenty-three billion, seven hundred sixty-five million, six hundred sixty-six thousand, three hundred twenty-five".