80717818151 has 2 divisors, whose sum is σ = 80717818152. Its totient is φ = 80717818150.

The previous prime is 80717818079. The next prime is 80717818169. The reversal of 80717818151 is 15181871708.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80717818151 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80717818096 and 80717818105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80717868151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40358909075 + 40358909076.

It is an arithmetic number, because the mean of its divisors is an integer number (40358909076).

Almost surely, 2^80717818151 is an apocalyptic number.

80717818151 is a deficient number, since it is larger than the sum of its proper divisors (1).

80717818151 is an equidigital number, since it uses as much as digits as its factorization.

80717818151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 125440, while the sum is 47.

The spelling of 80717818151 in words is "eighty billion, seven hundred seventeen million, eight hundred eighteen thousand, one hundred fifty-one".