11618141 has 2 divisors, whose sum is σ = 11618142. Its totient is φ = 11618140.

The previous prime is 11618107. The next prime is 11618143. The reversal of 11618141 is 14181611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11222500 + 395641 = 3350^2 + 629^2 .

It is a cyclic number.

It is not a de Polignac number, because 11618141 - 2¹⁰ = 11617117 is a prime.

Together with 11618143, 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 (11618143) 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, 5809070 + 5809071.

It is an arithmetic number, because the mean of its divisors is an integer number (5809071).

Almost surely, 2^11618141 is an apocalyptic number.

It is an amenable number.

11618141 is a deficient number, since it is larger than the sum of its proper divisors (1).

11618141 is an equidigital number, since it uses as much as digits as its factorization.

11618141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 192, while the sum is 23.

The square root of 11618141 is about 3408.5394232721. The cubic root of 11618141 is about 226.4881829752.

Adding to 11618141 its reverse (14181611), we get a palindrome (25799752).

The spelling of 11618141 in words is "eleven million, six hundred eighteen thousand, one hundred forty-one".