11455471 has 2 divisors, whose sum is σ = 11455472. Its totient is φ = 11455470.

The previous prime is 11455469. The next prime is 11455481. The reversal of 11455471 is 17455411.

It is a weak prime.

It is an emirp because it is prime and its reverse (17455411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11455471 - 2¹ = 11455469 is a prime.

It is a super-3 number, since 3×11455471³ (a number of 22 digits) contains 333 as substring.

Together with 11455469, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11455481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5727735 + 5727736.

It is an arithmetic number, because the mean of its divisors is an integer number (5727736).

Almost surely, 2^11455471 is an apocalyptic number.

11455471 is a deficient number, since it is larger than the sum of its proper divisors (1).

11455471 is an equidigital number, since it uses as much as digits as its factorization.

11455471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2800, while the sum is 28.

The square root of 11455471 is about 3384.5931808712. The cubic root of 11455471 is about 225.4261618647.

The spelling of 11455471 in words is "eleven million, four hundred fifty-five thousand, four hundred seventy-one".