1325504440311 has 4 divisors (see below), whose sum is σ = 1767339253752. Its totient is φ = 883669626872.

The previous prime is 1325504440283. The next prime is 1325504440331. The reversal of 1325504440311 is 1130444055231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1325504440311 - 2⁹ = 1325504439799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1325504440331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220917406716 + ... + 220917406721.

It is an arithmetic number, because the mean of its divisors is an integer number (441834813438).

Almost surely, 2^{1325504440311} is an apocalyptic number.

1325504440311 is a deficient number, since it is larger than the sum of its proper divisors (441834813441).

1325504440311 is an equidigital number, since it uses as much as digits as its factorization.

1325504440311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441834813440.

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 1325504440311 its reverse (1130444055231), we get a palindrome (2455948495542).

The spelling of 1325504440311 in words is "one trillion, three hundred twenty-five billion, five hundred four million, four hundred forty thousand, three hundred eleven".