11113143 has 4 divisors (see below), whose sum is σ = 14817528. Its totient is φ = 7408760.

The previous prime is 11113129. The next prime is 11113153. The reversal of 11113143 is 34131111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11113143 - 2⁵ = 11113111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11113153) 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 3 ways as a sum of consecutive naturals, for example, 1852188 + ... + 1852193.

It is an arithmetic number, because the mean of its divisors is an integer number (3704382).

Almost surely, 2^11113143 is an apocalyptic number.

11113143 is a deficient number, since it is larger than the sum of its proper divisors (3704385).

11113143 is an equidigital number, since it uses as much as digits as its factorization.

11113143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3704384.

The product of its digits is 36, while the sum is 15.

The square root of 11113143 is about 3333.6381027340. The cubic root of 11113143 is about 223.1579179987.

Adding to 11113143 its reverse (34131111), we get a palindrome (45244254).

The spelling of 11113143 in words is "eleven million, one hundred thirteen thousand, one hundred forty-three".