11136427 has 4 divisors (see below), whose sum is σ = 11325240. Its totient is φ = 10947616.

The previous prime is 11136383. The next prime is 11136431. The reversal of 11136427 is 72463111.

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 11136427 - 2¹¹ = 11134379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11136457) 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, 94318 + ... + 94435.

It is an arithmetic number, because the mean of its divisors is an integer number (2831310).

Almost surely, 2^11136427 is an apocalyptic number.

11136427 is a deficient number, since it is larger than the sum of its proper divisors (188813).

11136427 is an equidigital number, since it uses as much as digits as its factorization.

11136427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188812.

The product of its digits is 1008, while the sum is 25.

The square root of 11136427 is about 3337.1285561093. The cubic root of 11136427 is about 223.3136610478.

Adding to 11136427 its reverse (72463111), we get a palindrome (83599538).

The spelling of 11136427 in words is "eleven million, one hundred thirty-six thousand, four hundred twenty-seven".