66055015259 has 2 divisors, whose sum is σ = 66055015260. Its totient is φ = 66055015258.

The previous prime is 66055015223. The next prime is 66055015267. The reversal of 66055015259 is 95251055066.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-66055015259 is a prime.

It is not a weakly prime, because it can be changed into another prime (66055015289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33027507629 + 33027507630.

It is an arithmetic number, because the mean of its divisors is an integer number (33027507630).

Almost surely, 2^66055015259 is an apocalyptic number.

66055015259 is a deficient number, since it is larger than the sum of its proper divisors (1).

66055015259 is an equidigital number, since it uses as much as digits as its factorization.

66055015259 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 405000, while the sum is 44.

The spelling of 66055015259 in words is "sixty-six billion, fifty-five million, fifteen thousand, two hundred fifty-nine".