1325253443405 has 16 divisors (see below), whose sum is σ = 1592276382720. Its totient is φ = 1058888595072.

The previous prime is 1325253443377. The next prime is 1325253443441. The reversal of 1325253443405 is 5043443525231.

It is a cyclic number.

It is not a de Polignac number, because 1325253443405 - 2¹⁸ = 1325253181261 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16482812 + ... + 16563018.

It is an arithmetic number, because the mean of its divisors is an integer number (99517273920).

Almost surely, 2^{1325253443405} is an apocalyptic number.

It is an amenable number.

1325253443405 is a deficient number, since it is larger than the sum of its proper divisors (267022939315).

1325253443405 is a wasteful number, since it uses less digits than its factorization.

1325253443405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84268.

The product of its (nonzero) digits is 864000, while the sum is 41.

Adding to 1325253443405 its reverse (5043443525231), we get a palindrome (6368696968636).

The spelling of 1325253443405 in words is "one trillion, three hundred twenty-five billion, two hundred fifty-three million, four hundred forty-three thousand, four hundred five".