1325201171613 has 16 divisors (see below), whose sum is σ = 1960235942400. Its totient is φ = 789539474480.

The previous prime is 1325201171573. The next prime is 1325201171629. The reversal of 1325201171613 is 3161711025231.

It is a cyclic number.

It is not a de Polignac number, because 1325201171613 - 2²⁴ = 1325184394397 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1325201171663) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 340316793 + ... + 340320686.

It is an arithmetic number, because the mean of its divisors is an integer number (122514746400).

Almost surely, 2^{1325201171613} is an apocalyptic number.

It is an amenable number.

1325201171613 is a deficient number, since it is larger than the sum of its proper divisors (635034770787).

1325201171613 is a wasteful number, since it uses less digits than its factorization.

1325201171613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680637552.

The product of its (nonzero) digits is 7560, while the sum is 33.

Adding to 1325201171613 its reverse (3161711025231), we get a palindrome (4486912196844).

The spelling of 1325201171613 in words is "one trillion, three hundred twenty-five billion, two hundred one million, one hundred seventy-one thousand, six hundred thirteen".