11143850 has 12 divisors (see below), whose sum is σ = 20727654. Its totient is φ = 4457520.

The previous prime is 11143817. The next prime is 11143871. The reversal of 11143850 is 5834111.

It can be written as a sum of positive squares in 3 ways, for example, as 10426441 + 717409 = 3229^2 + 847^2 .

It is a Curzon number.

It is a zygodrome in base 4.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 111389 + ... + 111488.

Almost surely, 2^11143850 is an apocalyptic number.

11143850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11143850 is a deficient number, since it is larger than the sum of its proper divisors (9583804).

11143850 is a wasteful number, since it uses less digits than its factorization.

11143850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222889 (or 222884 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 11143850 is about 3338.2405545437. The cubic root of 11143850 is about 223.3632666990.

Adding to 11143850 its reverse (5834111), we get a palindrome (16977961).

The spelling of 11143850 in words is "eleven million, one hundred forty-three thousand, eight hundred fifty".