11383091 has 4 divisors (see below), whose sum is σ = 11878032. Its totient is φ = 10888152.

The previous prime is 11383079. The next prime is 11383093. The reversal of 11383091 is 19038311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11383091 - 2¹⁰ = 11382067 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11383091.

It is not an unprimeable number, because it can be changed into a prime (11383093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 247436 + ... + 247481.

It is an arithmetic number, because the mean of its divisors is an integer number (2969508).

Almost surely, 2^11383091 is an apocalyptic number.

11383091 is a deficient number, since it is larger than the sum of its proper divisors (494941).

11383091 is an equidigital number, since it uses as much as digits as its factorization.

11383091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494940.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 11383091 is about 3373.8836672298. The cubic root of 11383091 is about 224.9503824747.

The spelling of 11383091 in words is "eleven million, three hundred eighty-three thousand, ninety-one".