11158143 has 8 divisors (see below), whose sum is σ = 15158448. Its totient is φ = 7298304.

The previous prime is 11158141. The next prime is 11158153. The reversal of 11158143 is 34185111.

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

It is not a de Polignac number, because 11158143 - 2¹ = 11158141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11158141) 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 7 ways as a sum of consecutive naturals, for example, 34930 + ... + 35247.

It is an arithmetic number, because the mean of its divisors is an integer number (1894806).

Almost surely, 2^11158143 is an apocalyptic number.

11158143 is a deficient number, since it is larger than the sum of its proper divisors (4000305).

11158143 is an equidigital number, since it uses as much as digits as its factorization.

11158143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70233.

The product of its digits is 480, while the sum is 24.

The square root of 11158143 is about 3340.3806669300. The cubic root of 11158143 is about 223.4587204616.

The spelling of 11158143 in words is "eleven million, one hundred fifty-eight thousand, one hundred forty-three".