130518890561 has 2 divisors, whose sum is σ = 130518890562. Its totient is φ = 130518890560.

The previous prime is 130518890531. The next prime is 130518890603. The reversal of 130518890561 is 165098815031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82483840000 + 48035050561 = 287200^2 + 219169^2 .

It is a cyclic number.

It is not a de Polignac number, because 130518890561 - 2¹⁰ = 130518889537 is a prime.

It is not a weakly prime, because it can be changed into another prime (130518890531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65259445280 + 65259445281.

It is an arithmetic number, because the mean of its divisors is an integer number (65259445281).

Almost surely, 2^130518890561 is an apocalyptic number.

It is an amenable number.

130518890561 is a deficient number, since it is larger than the sum of its proper divisors (1).

130518890561 is an equidigital number, since it uses as much as digits as its factorization.

130518890561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 259200, while the sum is 47.

The spelling of 130518890561 in words is "one hundred thirty billion, five hundred eighteen million, eight hundred ninety thousand, five hundred sixty-one".