11416681 has 2 divisors, whose sum is σ = 11416682. Its totient is φ = 11416680.

The previous prime is 11416679. The next prime is 11416687. The reversal of 11416681 is 18661411.

11416681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10784656 + 632025 = 3284^2 + 795^2 .

It is a cyclic number.

It is not a de Polignac number, because 11416681 - 2¹ = 11416679 is a prime.

It is a super-2 number, since 2×11416681² = 260681210111522, which contains 22 as substring.

Together with 11416679, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11416687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5708340 + 5708341.

It is an arithmetic number, because the mean of its divisors is an integer number (5708341).

Almost surely, 2^11416681 is an apocalyptic number.

It is an amenable number.

11416681 is a deficient number, since it is larger than the sum of its proper divisors (1).

11416681 is an equidigital number, since it uses as much as digits as its factorization.

11416681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152, while the sum is 28.

The square root of 11416681 is about 3378.8579431518. The cubic root of 11416681 is about 225.1714314901.

The spelling of 11416681 in words is "eleven million, four hundred sixteen thousand, six hundred eighty-one".