65385918525361 has 8 divisors (see below), whose sum is σ = 74726845462080. Its totient is φ = 56045011946928.

The previous prime is 65385918525353. The next prime is 65385918525377. The reversal of 65385918525361 is 16352581958356.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 65385918525361 - 2³ = 65385918525353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65385918525341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2559075 + ... + 11718391.

It is an arithmetic number, because the mean of its divisors is an integer number (9340855682760).

Almost surely, 2^{65385918525361} is an apocalyptic number.

It is an amenable number.

65385918525361 is a deficient number, since it is larger than the sum of its proper divisors (9340926936719).

65385918525361 is a wasteful number, since it uses less digits than its factorization.

65385918525361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10179143.

The product of its digits is 233280000, while the sum is 67.

The spelling of 65385918525361 in words is "sixty-five trillion, three hundred eighty-five billion, nine hundred eighteen million, five hundred twenty-five thousand, three hundred sixty-one".