65120560319 has 2 divisors, whose sum is σ = 65120560320. Its totient is φ = 65120560318.

The previous prime is 65120560303. The next prime is 65120560331. The reversal of 65120560319 is 91306502156.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65120560319 - 2⁴ = 65120560303 is a prime.

It is a super-2 number, since 2×65120560319² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65120560819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32560280159 + 32560280160.

It is an arithmetic number, because the mean of its divisors is an integer number (32560280160).

Almost surely, 2^65120560319 is an apocalyptic number.

65120560319 is a deficient number, since it is larger than the sum of its proper divisors (1).

65120560319 is an equidigital number, since it uses as much as digits as its factorization.

65120560319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48600, while the sum is 38.

The spelling of 65120560319 in words is "sixty-five billion, one hundred twenty million, five hundred sixty thousand, three hundred nineteen".