11371143 has 8 divisors (see below), whose sum is σ = 17327488. Its totient is φ = 6497784.

The previous prime is 11371123. The next prime is 11371153. The reversal of 11371143 is 34117311.

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

It is not a de Polignac number, because 11371143 - 2¹² = 11367047 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 541483 = 11371143 / (1 + 1 + 3 + 7 + 1 + 1 + 4 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11371123) 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, 270721 + ... + 270762.

It is an arithmetic number, because the mean of its divisors is an integer number (2165936).

Almost surely, 2^11371143 is an apocalyptic number.

11371143 is a deficient number, since it is larger than the sum of its proper divisors (5956345).

11371143 is an equidigital number, since it uses as much as digits as its factorization.

11371143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541493.

The product of its digits is 252, while the sum is 21.

The square root of 11371143 is about 3372.1125426059. The cubic root of 11371143 is about 224.8716502545.

Adding to 11371143 its reverse (34117311), we get a palindrome (45488454).

The spelling of 11371143 in words is "eleven million, three hundred seventy-one thousand, one hundred forty-three".