80510122101517 has 2 divisors, whose sum is σ = 80510122101518. Its totient is φ = 80510122101516.

The previous prime is 80510122101499. The next prime is 80510122101527. The reversal of 80510122101517 is 71510122101508.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45671253318601 + 34838868782916 = 6758051^2 + 5902446^2 .

It is a cyclic number.

It is not a de Polignac number, because 80510122101517 - 2⁷ = 80510122101389 is a prime.

It is a super-2 number, since 2×80510122101517² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80510122101527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40255061050758 + 40255061050759.

It is an arithmetic number, because the mean of its divisors is an integer number (40255061050759).

Almost surely, 2^{80510122101517} is an apocalyptic number.

It is an amenable number.

80510122101517 is a deficient number, since it is larger than the sum of its proper divisors (1).

80510122101517 is an equidigital number, since it uses as much as digits as its factorization.

80510122101517 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5600, while the sum is 34.

Subtracting from 80510122101517 its reverse (71510122101508), we obtain a palindrome (9000000000009).

The spelling of 80510122101517 in words is "eighty trillion, five hundred ten billion, one hundred twenty-two million, one hundred one thousand, five hundred seventeen".