130503520523 has 2 divisors, whose sum is σ = 130503520524. Its totient is φ = 130503520522.

The previous prime is 130503520487. The next prime is 130503520583. The reversal of 130503520523 is 325025305031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 130503520523 - 2²⁰ = 130502471947 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (130503520583) 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 as a sum of consecutive naturals, namely, 65251760261 + 65251760262.

It is an arithmetic number, because the mean of its divisors is an integer number (65251760262).

Almost surely, 2^130503520523 is an apocalyptic number.

130503520523 is a deficient number, since it is larger than the sum of its proper divisors (1).

130503520523 is an equidigital number, since it uses as much as digits as its factorization.

130503520523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13500, while the sum is 29.

Adding to 130503520523 its reverse (325025305031), we get a palindrome (455528825554).

The spelling of 130503520523 in words is "one hundred thirty billion, five hundred three million, five hundred twenty thousand, five hundred twenty-three".