1325243255624 has 16 divisors (see below), whose sum is σ = 2491027696620. Its totient is φ = 660969203200.

The previous prime is 1325243255621. The next prime is 1325243255639. The reversal of 1325243255624 is 4265523425231.

It can be written as a sum of positive squares in 2 ways, for example, as 1319902276900 + 5340978724 = 1148870^2 + 73082^2 .

It is not an unprimeable number, because it can be changed into a prime (1325243255621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206549669 + ... + 206556084.

Almost surely, 2^{1325243255624} is an apocalyptic number.

It is an amenable number.

1325243255624 is a deficient number, since it is larger than the sum of its proper divisors (1165784440996).

1325243255624 is a wasteful number, since it uses less digits than its factorization.

1325243255624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413106160 (or 413106156 counting only the distinct ones).

The product of its digits is 1728000, while the sum is 44.

The spelling of 1325243255624 in words is "one trillion, three hundred twenty-five billion, two hundred forty-three million, two hundred fifty-five thousand, six hundred twenty-four".