11200143 has 4 divisors (see below), whose sum is σ = 14933528. Its totient is φ = 7466760.

The previous prime is 11200129. The next prime is 11200151. The reversal of 11200143 is 34100211.

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: 34100211 = 3 ⋅11366737.

It is not a de Polignac number, because 11200143 - 2¹³ = 11191951 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 (11200243) 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, 1866688 + ... + 1866693.

It is an arithmetic number, because the mean of its divisors is an integer number (3733382).

Almost surely, 2^11200143 is an apocalyptic number.

11200143 is a deficient number, since it is larger than the sum of its proper divisors (3733385).

11200143 is an equidigital number, since it uses as much as digits as its factorization.

11200143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3733384.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 11200143 is about 3346.6614707795. The cubic root of 11200143 is about 223.7387406296.

Adding to 11200143 its reverse (34100211), we get a palindrome (45300354).

The spelling of 11200143 in words is "eleven million, two hundred thousand, one hundred forty-three".