11170143 has 20 divisors (see below), whose sum is σ = 16785120. Its totient is φ = 7402752.

The previous prime is 11170141. The next prime is 11170151. The reversal of 11170143 is 34107111.

It is not a de Polignac number, because 11170143 - 2¹ = 11170141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11170141) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 19071 + ... + 19647.

It is an arithmetic number, because the mean of its divisors is an integer number (839256).

Almost surely, 2^11170143 is an apocalyptic number.

11170143 is a deficient number, since it is larger than the sum of its proper divisors (5614977).

11170143 is an equidigital number, since it uses as much as digits as its factorization.

11170143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828 (or 819 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 18.

The square root of 11170143 is about 3342.1763867277. The cubic root of 11170143 is about 223.5387978230.

Adding to 11170143 its reverse (34107111), we get a palindrome (45277254).

The spelling of 11170143 in words is "eleven million, one hundred seventy thousand, one hundred forty-three".