11133999 has 18 divisors (see below), whose sum is σ = 16667456. Its totient is φ = 7161840.

The previous prime is 11133961. The next prime is 11134009. The reversal of 11133999 is 99933111.

It is not a de Polignac number, because 11133999 - 2¹² = 11129903 is a prime.

It is a nude number because it is divisible by every one of its digits.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11133599) 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 17 ways as a sum of consecutive naturals, for example, 6834 + ... + 8304.

Almost surely, 2^11133999 is an apocalyptic number.

11133999 is a deficient number, since it is larger than the sum of its proper divisors (5533457).

11133999 is a wasteful number, since it uses less digits than its factorization.

11133999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1535 (or 1503 counting only the distinct ones).

The product of its digits is 6561, while the sum is 36.

The square root of 11133999 is about 3336.7647504731. The cubic root of 11133999 is about 223.2974306783.

The spelling of 11133999 in words is "eleven million, one hundred thirty-three thousand, nine hundred ninety-nine".