11099143 has 8 divisors (see below), whose sum is σ = 12220560. Its totient is φ = 9996480.

The previous prime is 11099129. The next prime is 11099171. The reversal of 11099143 is 34199011.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11099143 - 2⁵ = 11099111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11099183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3430 + ... + 5827.

It is an arithmetic number, because the mean of its divisors is an integer number (1527570).

Almost surely, 2^11099143 is an apocalyptic number.

11099143 is a deficient number, since it is larger than the sum of its proper divisors (1121417).

11099143 is a wasteful number, since it uses less digits than its factorization.

11099143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9377.

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 11099143 is about 3331.5376329857. The cubic root of 11099143 is about 223.0641694315.

The spelling of 11099143 in words is "eleven million, ninety-nine thousand, one hundred forty-three".