11134381 has 2 divisors, whose sum is σ = 11134382. Its totient is φ = 11134380.

The previous prime is 11134379. The next prime is 11134393. The reversal of 11134381 is 18343111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10949481 + 184900 = 3309^2 + 430^2 .

It is an emirp because it is prime and its reverse (18343111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11134381 - 2¹ = 11134379 is a prime.

It is a super-2 number, since 2×11134381² = 247948880506322, which contains 22 as substring.

Together with 11134379, 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 (11134481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5567190 + 5567191.

It is an arithmetic number, because the mean of its divisors is an integer number (5567191).

Almost surely, 2^11134381 is an apocalyptic number.

It is an amenable number.

11134381 is a deficient number, since it is larger than the sum of its proper divisors (1).

11134381 is an equidigital number, since it uses as much as digits as its factorization.

11134381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 288, while the sum is 22.

The square root of 11134381 is about 3336.8219910568. The cubic root of 11134381 is about 223.2999843772.

Adding to 11134381 its reverse (18343111), we get a palindrome (29477492).

The spelling of 11134381 in words is "eleven million, one hundred thirty-four thousand, three hundred eighty-one".