11368961 has 2 divisors, whose sum is σ = 11368962. Its totient is φ = 11368960.

The previous prime is 11368943. The next prime is 11368963. The reversal of 11368961 is 16986311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7924225 + 3444736 = 2815^2 + 1856^2 .

It is an emirp because it is prime and its reverse (16986311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11368961 - 2¹⁸ = 11106817 is a prime.

Together with 11368963, 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 (11368963) 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, 5684480 + 5684481.

It is an arithmetic number, because the mean of its divisors is an integer number (5684481).

Almost surely, 2^11368961 is an apocalyptic number.

It is an amenable number.

11368961 is a deficient number, since it is larger than the sum of its proper divisors (1).

11368961 is an equidigital number, since it uses as much as digits as its factorization.

11368961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 35.

The square root of 11368961 is about 3371.7889910254. The cubic root of 11368961 is about 224.8572658509.

The spelling of 11368961 in words is "eleven million, three hundred sixty-eight thousand, nine hundred sixty-one".