130725578509 has 2 divisors, whose sum is σ = 130725578510. Its totient is φ = 130725578508.

The previous prime is 130725578483. The next prime is 130725578527. The reversal of 130725578509 is 905875527031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 124108244100 + 6617334409 = 352290^2 + 81347^2 .

It is a cyclic number.

It is not a de Polignac number, because 130725578509 - 2¹³ = 130725570317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130725578579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65362789254 + 65362789255.

It is an arithmetic number, because the mean of its divisors is an integer number (65362789255).

Almost surely, 2^130725578509 is an apocalyptic number.

It is an amenable number.

130725578509 is a deficient number, since it is larger than the sum of its proper divisors (1).

130725578509 is an equidigital number, since it uses as much as digits as its factorization.

130725578509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2646000, while the sum is 52.

The spelling of 130725578509 in words is "one hundred thirty billion, seven hundred twenty-five million, five hundred seventy-eight thousand, five hundred nine".