909000011 has 4 divisors (see below), whose sum is σ = 938322624. Its totient is φ = 879677400.

The previous prime is 908999947. The next prime is 909000031. The reversal of 909000011 is 110000909.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110000909 = 41 ⋅2682949.

It is a cyclic number.

It is not a de Polignac number, because 909000011 - 2⁶ = 908999947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (909000031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14661260 + ... + 14661321.

It is an arithmetic number, because the mean of its divisors is an integer number (234580656).

Almost surely, 2^909000011 is an apocalyptic number.

909000011 is a deficient number, since it is larger than the sum of its proper divisors (29322613).

909000011 is a wasteful number, since it uses less digits than its factorization.

909000011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29322612.

The product of its (nonzero) digits is 81, while the sum is 20.

The square root of 909000011 is about 30149.6270457862. The cubic root of 909000011 is about 968.6970180056.

The spelling of 909000011 in words is "nine hundred nine million, eleven", and thus it is an aban number.