72217150670101 has 2 divisors, whose sum is σ = 72217150670102. Its totient is φ = 72217150670100.

The previous prime is 72217150670089. The next prime is 72217150670123. The reversal of 72217150670101 is 10107605171227.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71496731669476 + 720419000625 = 8455574^2 + 848775^2 .

It is a cyclic number.

It is not a de Polignac number, because 72217150670101 - 2⁴⁵ = 37032778581269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72217150670501) 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, 36108575335050 + 36108575335051.

It is an arithmetic number, because the mean of its divisors is an integer number (36108575335051).

Almost surely, 2^{72217150670101} is an apocalyptic number.

It is an amenable number.

72217150670101 is a deficient number, since it is larger than the sum of its proper divisors (1).

72217150670101 is an equidigital number, since it uses as much as digits as its factorization.

72217150670101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41160, while the sum is 40.

The spelling of 72217150670101 in words is "seventy-two trillion, two hundred seventeen billion, one hundred fifty million, six hundred seventy thousand, one hundred one".