865348151316481 has 16 divisors (see below), whose sum is σ = 1000112595304320. Its totient is φ = 733389402268800.

The previous prime is 865348151316427. The next prime is 865348151316499. The reversal of 865348151316481 is 184613151843568.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 865348151316481 - 2⁹ = 865348151315969 is a prime.

It is a super-2 number, since 2×865348151316481² (a number of 31 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (865348151316421) 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 in 15 ways as a sum of consecutive naturals, for example, 827604676 + ... + 828649621.

It is an arithmetic number, because the mean of its divisors is an integer number (62507037206520).

Almost surely, 2^{865348151316481} is an apocalyptic number.

It is an amenable number.

865348151316481 is a deficient number, since it is larger than the sum of its proper divisors (134764443987839).

865348151316481 is a wasteful number, since it uses less digits than its factorization.

865348151316481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1656255144.

The product of its digits is 66355200, while the sum is 64.

The spelling of 865348151316481 in words is "eight hundred sixty-five trillion, three hundred forty-eight billion, one hundred fifty-one million, three hundred sixteen thousand, four hundred eighty-one".