11517071 has 2 divisors, whose sum is σ = 11517072. Its totient is φ = 11517070.

The previous prime is 11517067. The next prime is 11517083. The reversal of 11517071 is 17071511.

It is a weak prime.

It is an emirp because it is prime and its reverse (17071511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11517071 - 2² = 11517067 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11517061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5758535 + 5758536.

It is an arithmetic number, because the mean of its divisors is an integer number (5758536).

Almost surely, 2^11517071 is an apocalyptic number.

11517071 is a deficient number, since it is larger than the sum of its proper divisors (1).

11517071 is an equidigital number, since it uses as much as digits as its factorization.

11517071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 245, while the sum is 23.

The square root of 11517071 is about 3393.6810398150. The cubic root of 11517071 is about 225.8295043748.

Adding to 11517071 its reverse (17071511), we get a palindrome (28588582).

The spelling of 11517071 in words is "eleven million, five hundred seventeen thousand, seventy-one".