65216332524535 has 4 divisors (see below), whose sum is σ = 78259599029448. Its totient is φ = 52173066019624.

The previous prime is 65216332524533. The next prime is 65216332524571. The reversal of 65216332524535 is 53542523361256.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 65216332524535 - 2¹ = 65216332524533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65216332524533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6521633252449 + ... + 6521633252458.

It is an arithmetic number, because the mean of its divisors is an integer number (19564899757362).

Almost surely, 2^{65216332524535} is an apocalyptic number.

65216332524535 is a deficient number, since it is larger than the sum of its proper divisors (13043266504913).

65216332524535 is a wasteful number, since it uses less digits than its factorization.

65216332524535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13043266504912.

The product of its digits is 19440000, while the sum is 52.

The spelling of 65216332524535 in words is "sixty-five trillion, two hundred sixteen billion, three hundred thirty-two million, five hundred twenty-four thousand, five hundred thirty-five".