130521141521 has 2 divisors, whose sum is σ = 130521141522. Its totient is φ = 130521141520.

The previous prime is 130521141481. The next prime is 130521141529. The reversal of 130521141521 is 125141125031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82981444225 + 47539697296 = 288065^2 + 218036^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130521141521 is a prime.

It is not a weakly prime, because it can be changed into another prime (130521141529) 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 as a sum of consecutive naturals, namely, 65260570760 + 65260570761.

It is an arithmetic number, because the mean of its divisors is an integer number (65260570761).

Almost surely, 2^130521141521 is an apocalyptic number.

It is an amenable number.

130521141521 is a deficient number, since it is larger than the sum of its proper divisors (1).

130521141521 is an equidigital number, since it uses as much as digits as its factorization.

130521141521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1200, while the sum is 26.

Adding to 130521141521 its reverse (125141125031), we get a palindrome (255662266552).

The spelling of 130521141521 in words is "one hundred thirty billion, five hundred twenty-one million, one hundred forty-one thousand, five hundred twenty-one".