11008091 has 4 divisors (see below), whose sum is σ = 11117184. Its totient is φ = 10899000.

The previous prime is 11008079. The next prime is 11008093. The reversal of 11008091 is 19080011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19080011 = 101 ⋅188911.

It is a cyclic number.

It is not a de Polignac number, because 11008091 - 2¹⁰ = 11007067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11008093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54395 + ... + 54596.

It is an arithmetic number, because the mean of its divisors is an integer number (2779296).

Almost surely, 2^11008091 is an apocalyptic number.

11008091 is a deficient number, since it is larger than the sum of its proper divisors (109093).

11008091 is a wasteful number, since it uses less digits than its factorization.

11008091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109092.

The product of its (nonzero) digits is 72, while the sum is 20.

The square root of 11008091 is about 3317.8443302843. The cubic root of 11008091 is about 222.4525236414.

The spelling of 11008091 in words is "eleven million, eight thousand, ninety-one".