11285567 has 2 divisors, whose sum is σ = 11285568. Its totient is φ = 11285566.

The previous prime is 11285557. The next prime is 11285591. The reversal of 11285567 is 76558211.

It is a weak prime.

It is an emirp because it is prime and its reverse (76558211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11285567 - 2⁴ = 11285551 is a prime.

It is a super-2 number, since 2×11285567² = 254728045022978, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11285507) 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, 5642783 + 5642784.

It is an arithmetic number, because the mean of its divisors is an integer number (5642784).

Almost surely, 2^11285567 is an apocalyptic number.

11285567 is a deficient number, since it is larger than the sum of its proper divisors (1).

11285567 is an equidigital number, since it uses as much as digits as its factorization.

11285567 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16800, while the sum is 35.

The square root of 11285567 is about 3359.3997975829. The cubic root of 11285567 is about 224.3061224328.

The spelling of 11285567 in words is "eleven million, two hundred eighty-five thousand, five hundred sixty-seven".