11331087 has 16 divisors (see below), whose sum is σ = 15984000. Its totient is φ = 7120224.

The previous prime is 11331071. The next prime is 11331091. The reversal of 11331087 is 78013311.

It is not a de Polignac number, because 11331087 - 2⁴ = 11331071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11331007) 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 15 ways as a sum of consecutive naturals, for example, 14964 + ... + 15702.

It is an arithmetic number, because the mean of its divisors is an integer number (999000).

Almost surely, 2^11331087 is an apocalyptic number.

11331087 is a deficient number, since it is larger than the sum of its proper divisors (4652913).

11331087 is a wasteful number, since it uses less digits than its factorization.

11331087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1030.

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 11331087 is about 3366.1679993726. The cubic root of 11331087 is about 224.6072952366.

Adding to 11331087 its reverse (78013311), we get a palindrome (89344398).

The spelling of 11331087 in words is "eleven million, three hundred thirty-one thousand, eighty-seven".