11261137 has 2 divisors, whose sum is σ = 11261138. Its totient is φ = 11261136.

The previous prime is 11261119. The next prime is 11261143. The reversal of 11261137 is 73116211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7403841 + 3857296 = 2721^2 + 1964^2 .

It is a cyclic number.

It is not a de Polignac number, because 11261137 - 2⁷ = 11261009 is a prime.

It is not a weakly prime, because it can be changed into another prime (11261177) 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, 5630568 + 5630569.

It is an arithmetic number, because the mean of its divisors is an integer number (5630569).

Almost surely, 2^11261137 is an apocalyptic number.

It is an amenable number.

11261137 is a deficient number, since it is larger than the sum of its proper divisors (1).

11261137 is an equidigital number, since it uses as much as digits as its factorization.

11261137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 252, while the sum is 22.

The square root of 11261137 is about 3355.7617615081. The cubic root of 11261137 is about 224.1441528010.

Adding to 11261137 its reverse (73116211), we get a palindrome (84377348).

The spelling of 11261137 in words is "eleven million, two hundred sixty-one thousand, one hundred thirty-seven".