11416381 has 2 divisors, whose sum is σ = 11416382. Its totient is φ = 11416380.

The previous prime is 11416319. The next prime is 11416393. The reversal of 11416381 is 18361411.

It is a happy number.

11416381 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6421156 + 4995225 = 2534^2 + 2235^2 .

It is a cyclic number.

It is not a de Polignac number, because 11416381 - 2¹⁹ = 10892093 is a prime.

It is a super-2 number, since 2×11416381² = 260667510274322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11416681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5708190 + 5708191.

It is an arithmetic number, because the mean of its divisors is an integer number (5708191).

Almost surely, 2^11416381 is an apocalyptic number.

It is an amenable number.

11416381 is a deficient number, since it is larger than the sum of its proper divisors (1).

11416381 is an equidigital number, since it uses as much as digits as its factorization.

11416381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 576, while the sum is 25.

The square root of 11416381 is about 3378.8135491619. The cubic root of 11416381 is about 225.1694591707.

Adding to 11416381 its reverse (18361411), we get a palindrome (29777792).

It can be divided in two parts, 114163 and 81, that added together give a square (114244 = 338²).

The spelling of 11416381 in words is "eleven million, four hundred sixteen thousand, three hundred eighty-one".