7171114757249 has 2 divisors, whose sum is σ = 7171114757250. Its totient is φ = 7171114757248.

The previous prime is 7171114757239. The next prime is 7171114757267. The reversal of 7171114757249 is 9427574111717.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6800787740224 + 370327017025 = 2607832^2 + 608545^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7171114757249 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7171114757194 and 7171114757203.

It is not a weakly prime, because it can be changed into another prime (7171114757239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3585557378624 + 3585557378625.

It is an arithmetic number, because the mean of its divisors is an integer number (3585557378625).

Almost surely, 2^{7171114757249} is an apocalyptic number.

It is an amenable number.

7171114757249 is a deficient number, since it is larger than the sum of its proper divisors (1).

7171114757249 is an equidigital number, since it uses as much as digits as its factorization.

7171114757249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3457440, while the sum is 56.

The spelling of 7171114757249 in words is "seven trillion, one hundred seventy-one billion, one hundred fourteen million, seven hundred fifty-seven thousand, two hundred forty-nine".