11287361 has 2 divisors, whose sum is σ = 11287362. Its totient is φ = 11287360.

The previous prime is 11287343. The next prime is 11287399. The reversal of 11287361 is 16378211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10857025 + 430336 = 3295^2 + 656^2 .

It is a cyclic number.

It is not a de Polignac number, because 11287361 - 2²² = 7093057 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11287301) 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, 5643680 + 5643681.

It is an arithmetic number, because the mean of its divisors is an integer number (5643681).

Almost surely, 2^11287361 is an apocalyptic number.

It is an amenable number.

11287361 is a deficient number, since it is larger than the sum of its proper divisors (1).

11287361 is an equidigital number, since it uses as much as digits as its factorization.

11287361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2016, while the sum is 29.

The square root of 11287361 is about 3359.6667989549. Note that the first 3 decimals coincide. The cubic root of 11287361 is about 224.3180073433.

The spelling of 11287361 in words is "eleven million, two hundred eighty-seven thousand, three hundred sixty-one".