9000011 has 2 divisors, whose sum is σ = 9000012.
Its totient is φ = 9000010.
The previous prime is 8999993. The next prime is 9000041. The reversal of 9000011 is 1100009.
It is a weak prime.
It is an emirp because it is prime and its reverse (1100009) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 9000011 - 210 = 8998987 is a prime.
9000011 is a modest number, since divided by 11 gives 9 as remainder.
It is a junction number, because it is equal to n+sod(n) for n = 8999956 and 9000001.
It is not a weakly prime, because it can be changed into another prime (9000041) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4500005 + 4500006.
It is an arithmetic number, because the mean of its divisors is an integer number (4500006).
Almost surely, 29000011 is an apocalyptic number.
9000011 is a deficient number, since it is larger than the sum of its proper divisors (1).
9000011 is an equidigital number, since it uses as much as digits as its factorization.
9000011 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 9, while the sum is 11.
The square root of 9000011 is about 3000.0018333328.
The cubic root of 9000011 is about 208.0084670493.
Subtracting from 9000011 its sum of digits (11), we obtain a square (9000000 = 30002).
The spelling of 9000011 in words is "nine million, eleven", and thus it is an aban number and an uban number.