11131361 has 2 divisors, whose sum is σ = 11131362. Its totient is φ = 11131360.

The previous prime is 11131357. The next prime is 11131369. The reversal of 11131361 is 16313111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11015761 + 115600 = 3319^2 + 340^2 .

It is an emirp because it is prime and its reverse (16313111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11131361 - 2² = 11131357 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11131369) 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, 5565680 + 5565681.

It is an arithmetic number, because the mean of its divisors is an integer number (5565681).

Almost surely, 2^11131361 is an apocalyptic number.

It is an amenable number.

11131361 is a deficient number, since it is larger than the sum of its proper divisors (1).

11131361 is an equidigital number, since it uses as much as digits as its factorization.

11131361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54, while the sum is 17.

The square root of 11131361 is about 3336.3694339806. The cubic root of 11131361 is about 223.2797938540.

Adding to 11131361 its reverse (16313111), we get a palindrome (27444472).

The spelling of 11131361 in words is "eleven million, one hundred thirty-one thousand, three hundred sixty-one".