65325263515129 has 2 divisors, whose sum is σ = 65325263515130. Its totient is φ = 65325263515128.

The previous prime is 65325263515097. The next prime is 65325263515163. The reversal of 65325263515129 is 92151536252356.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62741924160400 + 2583339354729 = 7920980^2 + 1607277^2 .

It is a cyclic number.

It is not a de Polignac number, because 65325263515129 - 2⁵ = 65325263515097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65325263515129.

It is not a weakly prime, because it can be changed into another prime (65325263516129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32662631757564 + 32662631757565.

It is an arithmetic number, because the mean of its divisors is an integer number (32662631757565).

Almost surely, 2^{65325263515129} is an apocalyptic number.

It is an amenable number.

65325263515129 is a deficient number, since it is larger than the sum of its proper divisors (1).

65325263515129 is an equidigital number, since it uses as much as digits as its factorization.

65325263515129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14580000, while the sum is 55.

The spelling of 65325263515129 in words is "sixty-five trillion, three hundred twenty-five billion, two hundred sixty-three million, five hundred fifteen thousand, one hundred twenty-nine".