11164143 has 12 divisors (see below), whose sum is σ = 15129240. Its totient is φ = 7322832.

The previous prime is 11164103. The next prime is 11164147. The reversal of 11164143 is 34146111.

It is not a de Polignac number, because 11164143 - 2¹³ = 11155951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11164147) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13053 + ... + 13881.

It is an arithmetic number, because the mean of its divisors is an integer number (1260770).

Almost surely, 2^11164143 is an apocalyptic number.

11164143 is a deficient number, since it is larger than the sum of its proper divisors (3965097).

11164143 is an frugal number, since it uses more digits than its factorization.

11164143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 966 (or 899 counting only the distinct ones).

The product of its digits is 288, while the sum is 21.

The square root of 11164143 is about 3341.2786474642. The cubic root of 11164143 is about 223.4987663150.

The spelling of 11164143 in words is "eleven million, one hundred sixty-four thousand, one hundred forty-three".