71216463347715 has 32 divisors (see below), whose sum is σ = 131687585533440. Its totient is φ = 32190298677504.

The previous prime is 71216463347699. The next prime is 71216463347719. The reversal of 71216463347715 is 51774336461217.

It is a happy number.

It is not a de Polignac number, because 71216463347715 - 2⁴ = 71216463347699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71216463347719) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3810395329 + ... + 3810414018.

It is an arithmetic number, because the mean of its divisors is an integer number (4115237047920).

Almost surely, 2^{71216463347715} is an apocalyptic number.

71216463347715 is a deficient number, since it is larger than the sum of its proper divisors (60471122185725).

71216463347715 is a wasteful number, since it uses less digits than its factorization.

71216463347715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7620809451.

The product of its digits is 17781120, while the sum is 57.

The spelling of 71216463347715 in words is "seventy-one trillion, two hundred sixteen billion, four hundred sixty-three million, three hundred forty-seven thousand, seven hundred fifteen".