11271552317 has 2 divisors, whose sum is σ = 11271552318. Its totient is φ = 11271552316.

The previous prime is 11271552311. The next prime is 11271552319. The reversal of 11271552317 is 71325517211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9736558276 + 1534994041 = 98674^2 + 39179^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11271552317 is a prime.

Together with 11271552319, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11271552311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5635776158 + 5635776159.

It is an arithmetic number, because the mean of its divisors is an integer number (5635776159).

Almost surely, 2^11271552317 is an apocalyptic number.

It is an amenable number.

11271552317 is a deficient number, since it is larger than the sum of its proper divisors (1).

11271552317 is an equidigital number, since it uses as much as digits as its factorization.

11271552317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14700, while the sum is 35.

The spelling of 11271552317 in words is "eleven billion, two hundred seventy-one million, five hundred fifty-two thousand, three hundred seventeen".