11143100 has 18 divisors (see below), whose sum is σ = 24180744. Its totient is φ = 4457200.

The previous prime is 11143081. The next prime is 11143123. The reversal of 11143100 is 134111.

11143100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11143100² = 248337355220000, which contains 22 as substring.

It is a congruent number.

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, 55616 + ... + 55815.

Almost surely, 2^11143100 is an apocalyptic number.

11143100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11143100 is an abundant number, since it is smaller than the sum of its proper divisors (13037644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11143100 is a wasteful number, since it uses less digits than its factorization.

11143100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111445 (or 111438 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 11143100 is about 3338.1282180288. The cubic root of 11143100 is about 223.3582556777.

Adding to 11143100 its reverse (134111), we get a palindrome (11277211).

The spelling of 11143100 in words is "eleven million, one hundred forty-three thousand, one hundred".