11471071 has 2 divisors, whose sum is σ = 11471072. Its totient is φ = 11471070.

The previous prime is 11471059. The next prime is 11471077. The reversal of 11471071 is 17017411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11471071 - 2²³ = 3082463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11471077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5735535 + 5735536.

It is an arithmetic number, because the mean of its divisors is an integer number (5735536).

Almost surely, 2^11471071 is an apocalyptic number.

11471071 is a deficient number, since it is larger than the sum of its proper divisors (1).

11471071 is an equidigital number, since it uses as much as digits as its factorization.

11471071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 196, while the sum is 22.

The square root of 11471071 is about 3386.8969573933. The cubic root of 11471071 is about 225.5284435027.

Adding to 11471071 its reverse (17017411), we get a palindrome (28488482).

The spelling of 11471071 in words is "eleven million, four hundred seventy-one thousand, seventy-one".