66125430306359 has 2 divisors, whose sum is σ = 66125430306360. Its totient is φ = 66125430306358.

The previous prime is 66125430306311. The next prime is 66125430306361. The reversal of 66125430306359 is 95360303452166.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 66125430306359 - 2²⁸ = 66125161870903 is a prime.

It is a super-2 number, since 2×66125430306359² (a number of 28 digits) contains 22 as substring.

It is a Sophie Germain prime.

Together with 66125430306361, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 66125430306359.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66125430306389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33062715153179 + 33062715153180.

It is an arithmetic number, because the mean of its divisors is an integer number (33062715153180).

Almost surely, 2^{66125430306359} is an apocalyptic number.

66125430306359 is a deficient number, since it is larger than the sum of its proper divisors (1).

66125430306359 is an equidigital number, since it uses as much as digits as its factorization.

66125430306359 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10497600, while the sum is 53.

The spelling of 66125430306359 in words is "sixty-six trillion, one hundred twenty-five billion, four hundred thirty million, three hundred six thousand, three hundred fifty-nine".