130511503 has 2 divisors, whose sum is σ = 130511504. Its totient is φ = 130511502.

The previous prime is 130511483. The next prime is 130511587. The reversal of 130511503 is 305115031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 130511503 - 2¹⁷ = 130380431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130511593) 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, 65255751 + 65255752.

It is an arithmetic number, because the mean of its divisors is an integer number (65255752).

Almost surely, 2^130511503 is an apocalyptic number.

130511503 is a deficient number, since it is larger than the sum of its proper divisors (1).

130511503 is an equidigital number, since it uses as much as digits as its factorization.

130511503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 225, while the sum is 19.

The square root of 130511503 is about 11424.1631203340. The cubic root of 130511503 is about 507.2432350748.

Adding to 130511503 its reverse (305115031), we get a palindrome (435626534).

The spelling of 130511503 in words is "one hundred thirty million, five hundred eleven thousand, five hundred three".