65008720055056 has 10 divisors (see below), whose sum is σ = 125954395106702. Its totient is φ = 32504360027520.

The previous prime is 65008720055053. The next prime is 65008720055107. The reversal of 65008720055056 is 65055002780056.

It can be written as a sum of positive squares in only one way, i.e., 60010741155600 + 4997978899456 = 7746660^2 + 2235616^2 .

It is a super-2 number, since 2×65008720055056² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (65008720055053) 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, 2031522501705 + ... + 2031522501736.

Almost surely, 2^{65008720055056} is an apocalyptic number.

It is an amenable number.

65008720055056 is a deficient number, since it is larger than the sum of its proper divisors (60945675051646).

65008720055056 is a wasteful number, since it uses less digits than its factorization.

65008720055056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4063045003449 (or 4063045003443 counting only the distinct ones).

The product of its (nonzero) digits is 2520000, while the sum is 49.

The spelling of 65008720055056 in words is "sixty-five trillion, eight billion, seven hundred twenty million, fifty-five thousand, fifty-six".