11012109 has 8 divisors (see below), whose sum is σ = 14736192. Its totient is φ = 7314720.

The previous prime is 11012093. The next prime is 11012129. The reversal of 11012109 is 90121011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11012109 - 2⁴ = 11012093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11012129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5689 + ... + 7374.

It is an arithmetic number, because the mean of its divisors is an integer number (1842024).

Almost surely, 2^11012109 is an apocalyptic number.

It is an amenable number.

11012109 is a deficient number, since it is larger than the sum of its proper divisors (3724083).

11012109 is a wasteful number, since it uses less digits than its factorization.

11012109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13347.

The product of its (nonzero) digits is 18, while the sum is 15.

The square root of 11012109 is about 3318.4497886815. The cubic root of 11012109 is about 222.4795857212.

The spelling of 11012109 in words is "eleven million, twelve thousand, one hundred nine".