11668271 has 2 divisors, whose sum is σ = 11668272. Its totient is φ = 11668270.

The previous prime is 11668259. The next prime is 11668277. The reversal of 11668271 is 17286611.

It is a happy number.

11668271 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (17286611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11668271 - 2¹⁸ = 11406127 is a prime.

It is a super-2 number, since 2×11668271² = 272297096258882, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11668277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5834135 + 5834136.

It is an arithmetic number, because the mean of its divisors is an integer number (5834136).

Almost surely, 2^11668271 is an apocalyptic number.

11668271 is a deficient number, since it is larger than the sum of its proper divisors (1).

11668271 is an equidigital number, since it uses as much as digits as its factorization.

11668271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032, while the sum is 32.

The square root of 11668271 is about 3415.8850975992. The cubic root of 11668271 is about 226.8134662760.

The spelling of 11668271 in words is "eleven million, six hundred sixty-eight thousand, two hundred seventy-one".