1325440514305 has 4 divisors (see below), whose sum is σ = 1590528617172. Its totient is φ = 1060352411440.

The previous prime is 1325440514257. The next prime is 1325440514347. The reversal of 1325440514305 is 5034150445231.

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

It can be written as a sum of positive squares in 2 ways, for example, as 975914797456 + 349525716849 = 987884^2 + 591207^2 .

It is not a de Polignac number, because 1325440514305 - 2²⁵ = 1325406959873 is a prime.

It is a super-2 number, since 2×1325440514305² (a number of 25 digits) contains 22 as substring.

It is a Duffinian 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 3 ways as a sum of consecutive naturals, for example, 132544051426 + ... + 132544051435.

It is an arithmetic number, because the mean of its divisors is an integer number (397632154293).

Almost surely, 2^{1325440514305} is an apocalyptic number.

It is an amenable number.

1325440514305 is a deficient number, since it is larger than the sum of its proper divisors (265088102867).

1325440514305 is an equidigital number, since it uses as much as digits as its factorization.

1325440514305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265088102866.

The product of its (nonzero) digits is 144000, while the sum is 37.

Adding to 1325440514305 its reverse (5034150445231), we get a palindrome (6359590959536).

The spelling of 1325440514305 in words is "one trillion, three hundred twenty-five billion, four hundred forty million, five hundred fourteen thousand, three hundred five".