1325303320663 has 8 divisors (see below), whose sum is σ = 1535965217280. Its totient is φ = 1119974636760.

The previous prime is 1325303320597. The next prime is 1325303320681. The reversal of 1325303320663 is 3660233035231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1325303320663 - 2²⁹ = 1324766449751 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 (1325303320463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1333302643 + ... + 1333303636.

It is an arithmetic number, because the mean of its divisors is an integer number (191995652160).

Almost surely, 2^{1325303320663} is an apocalyptic number.

1325303320663 is a deficient number, since it is larger than the sum of its proper divisors (210661896617).

1325303320663 is an equidigital number, since it uses as much as digits as its factorization.

1325303320663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2666606357.

The product of its (nonzero) digits is 174960, while the sum is 37.

Adding to 1325303320663 its reverse (3660233035231), we get a palindrome (4985536355894).

The spelling of 1325303320663 in words is "one trillion, three hundred twenty-five billion, three hundred three million, three hundred twenty thousand, six hundred sixty-three".