11481671 has 2 divisors, whose sum is σ = 11481672. Its totient is φ = 11481670.

The previous prime is 11481667. The next prime is 11481683. The reversal of 11481671 is 17618411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11481671 - 2² = 11481667 is a prime.

It is a super-3 number, since 3×11481671³ (a number of 22 digits) contains 333 as substring.

It is equal to p₇₅₆₁₈₂ and since 11481671 and 756182 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11481611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5740835 + 5740836.

It is an arithmetic number, because the mean of its divisors is an integer number (5740836).

Almost surely, 2^11481671 is an apocalyptic number.

11481671 is a deficient number, since it is larger than the sum of its proper divisors (1).

11481671 is an equidigital number, since it uses as much as digits as its factorization.

11481671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1344, while the sum is 29.

The square root of 11481671 is about 3388.4614502750. The cubic root of 11481671 is about 225.5978896635.

The spelling of 11481671 in words is "eleven million, four hundred eighty-one thousand, six hundred seventy-one".