1325321214544 has 40 divisors (see below), whose sum is σ = 2656454976000. Its totient is φ = 639786166656.

The previous prime is 1325321214521. The next prime is 1325321214551. The reversal of 1325321214544 is 4454121235231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22297537 + ... + 22356895.

It is an arithmetic number, because the mean of its divisors is an integer number (66411374400).

Almost surely, 2^{1325321214544} is an apocalyptic number.

It is an amenable number.

1325321214544 is an abundant number, since it is smaller than the sum of its proper divisors (1331133761456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1325321214544 is a wasteful number, since it uses less digits than its factorization.

1325321214544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107515 (or 107509 counting only the distinct ones).

The product of its digits is 115200, while the sum is 37.

Adding to 1325321214544 its reverse (4454121235231), we get a palindrome (5779442449775).

The spelling of 1325321214544 in words is "one trillion, three hundred twenty-five billion, three hundred twenty-one million, two hundred fourteen thousand, five hundred forty-four".