11000281 has 2 divisors, whose sum is σ = 11000282. Its totient is φ = 11000280.

The previous prime is 11000273. The next prime is 11000287. The reversal of 11000281 is 18200011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10497600 + 502681 = 3240^2 + 709^2 .

It is a cyclic number.

It is not a de Polignac number, because 11000281 - 2³ = 11000273 is a prime.

It is a super-2 number, since 2×11000281² = 242012364157922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11000287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5500140 + 5500141.

It is an arithmetic number, because the mean of its divisors is an integer number (5500141).

Almost surely, 2^11000281 is an apocalyptic number.

It is an amenable number.

11000281 is a deficient number, since it is larger than the sum of its proper divisors (1).

11000281 is an equidigital number, since it uses as much as digits as its factorization.

11000281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 11000281 is about 3316.6671524288. The cubic root of 11000281 is about 222.3999027935.

Adding to 11000281 its reverse (18200011), we get a palindrome (29200292).

The spelling of 11000281 in words is "eleven million, two hundred eighty-one", and thus it is an aban number.