11366143 has 4 divisors (see below), whose sum is σ = 11643408. Its totient is φ = 11088880.

The previous prime is 11366137. The next prime is 11366171. The reversal of 11366143 is 34166311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34166311 = 17 ⋅2009783.

It is a cyclic number.

It is not a de Polignac number, because 11366143 - 2¹⁷ = 11235071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11366543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138571 + ... + 138652.

It is an arithmetic number, because the mean of its divisors is an integer number (2910852).

Almost surely, 2^11366143 is an apocalyptic number.

11366143 is a deficient number, since it is larger than the sum of its proper divisors (277265).

11366143 is an equidigital number, since it uses as much as digits as its factorization.

11366143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277264.

The product of its digits is 1296, while the sum is 25.

The square root of 11366143 is about 3371.3710860717. The cubic root of 11366143 is about 224.8386860195.

The spelling of 11366143 in words is "eleven million, three hundred sixty-six thousand, one hundred forty-three".