11131061 has 2 divisors, whose sum is σ = 11131062. Its totient is φ = 11131060.

The previous prime is 11131037. The next prime is 11131063. The reversal of 11131061 is 16013111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11122225 + 8836 = 3335^2 + 94^2 .

It is a cyclic number.

It is not a de Polignac number, because 11131061 - 2¹⁸ = 10868917 is a prime.

Together with 11131063, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11131063) 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, 5565530 + 5565531.

It is an arithmetic number, because the mean of its divisors is an integer number (5565531).

Almost surely, 2^11131061 is an apocalyptic number.

It is an amenable number.

11131061 is a deficient number, since it is larger than the sum of its proper divisors (1).

11131061 is an equidigital number, since it uses as much as digits as its factorization.

11131061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 14.

The square root of 11131061 is about 3336.3244746277. The cubic root of 11131061 is about 223.2777879735.

Adding to 11131061 its reverse (16013111), we get a palindrome (27144172).

It can be divided in two parts, 11 and 131061, that added together give a 17-th power (131072 = 2¹⁷).

The spelling of 11131061 in words is "eleven million, one hundred thirty-one thousand, sixty-one".