11430161 has 2 divisors, whose sum is σ = 11430162. Its totient is φ = 11430160.

The previous prime is 11430157. The next prime is 11430163. The reversal of 11430161 is 16103411.

11430161 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7529536 + 3900625 = 2744^2 + 1975^2 .

It is a cyclic number.

It is not a de Polignac number, because 11430161 - 2² = 11430157 is a prime.

Together with 11430163, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11430163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5715080 + 5715081.

It is an arithmetic number, because the mean of its divisors is an integer number (5715081).

Almost surely, 2^11430161 is an apocalyptic number.

It is an amenable number.

11430161 is a deficient number, since it is larger than the sum of its proper divisors (1).

11430161 is an equidigital number, since it uses as much as digits as its factorization.

11430161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 11430161 is about 3380.8521115245. The cubic root of 11430161 is about 225.2600187381.

Adding to 11430161 its reverse (16103411), we get a palindrome (27533572).

The spelling of 11430161 in words is "eleven million, four hundred thirty thousand, one hundred sixty-one".