65512555219 has 2 divisors, whose sum is σ = 65512555220. Its totient is φ = 65512555218.

The previous prime is 65512555181. The next prime is 65512555231. The reversal of 65512555219 is 91255521556.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65512555219 - 2¹⁷ = 65512424147 is a prime.

It is a super-2 number, since 2×65512555219² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (65512555259) 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, 32756277609 + 32756277610.

It is an arithmetic number, because the mean of its divisors is an integer number (32756277610).

Almost surely, 2^65512555219 is an apocalyptic number.

65512555219 is a deficient number, since it is larger than the sum of its proper divisors (1).

65512555219 is an equidigital number, since it uses as much as digits as its factorization.

65512555219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 675000, while the sum is 46.

The spelling of 65512555219 in words is "sixty-five billion, five hundred twelve million, five hundred fifty-five thousand, two hundred nineteen".