11325231521 has 2 divisors, whose sum is σ = 11325231522. Its totient is φ = 11325231520.

The previous prime is 11325231473. The next prime is 11325231527. The reversal of 11325231521 is 12513252311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10845139600 + 480091921 = 104140^2 + 21911^2 .

It is a cyclic number.

It is not a de Polignac number, because 11325231521 - 2¹⁴ = 11325215137 is a prime.

It is not a weakly prime, because it can be changed into another prime (11325231527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5662615760 + 5662615761.

It is an arithmetic number, because the mean of its divisors is an integer number (5662615761).

Almost surely, 2^11325231521 is an apocalyptic number.

It is an amenable number.

11325231521 is a deficient number, since it is larger than the sum of its proper divisors (1).

11325231521 is an equidigital number, since it uses as much as digits as its factorization.

11325231521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1800, while the sum is 26.

Adding to 11325231521 its reverse (12513252311), we get a palindrome (23838483832).

The spelling of 11325231521 in words is "eleven billion, three hundred twenty-five million, two hundred thirty-one thousand, five hundred twenty-one".