80717216507151 has 24 divisors (see below), whose sum is σ = 125197134715440. Its totient is φ = 46122987278592.

The previous prime is 80717216507143. The next prime is 80717216507153. The reversal of 80717216507151 is 15170561271708.

It is not a de Polignac number, because 80717216507151 - 2³ = 80717216507143 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80717216507094 and 80717216507103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80717216507153) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 759946 + ... + 12728391.

It is an arithmetic number, because the mean of its divisors is an integer number (5216547279810).

Almost surely, 2^{80717216507151} is an apocalyptic number.

80717216507151 is a deficient number, since it is larger than the sum of its proper divisors (44479918208289).

80717216507151 is a wasteful number, since it uses less digits than its factorization.

80717216507151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13529063 (or 13529056 counting only the distinct ones).

The product of its (nonzero) digits is 823200, while the sum is 51.

Adding to 80717216507151 its reverse (15170561271708), we get a palindrome (95887777778859).

The spelling of 80717216507151 in words is "eighty trillion, seven hundred seventeen billion, two hundred sixteen million, five hundred seven thousand, one hundred fifty-one".