1111143400 has 48 divisors (see below), whose sum is σ = 2608538400. Its totient is φ = 440134080.

The previous prime is 1111143391. The next prime is 1111143421. The reversal of 1111143400 is 43411111.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6370 + ... + 47569.

It is an arithmetic number, because the mean of its divisors is an integer number (54344550).

Almost surely, 2^1111143400 is an apocalyptic number.

1111143400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1111143400 is an abundant number, since it is smaller than the sum of its proper divisors (1497395000).

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

1111143400 is a wasteful number, since it uses less digits than its factorization.

1111143400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54058 (or 54049 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 1111143400 is about 33333.8176631480. The cubic root of 1111143400 is about 1035.7542014626.

Adding to 1111143400 its reverse (43411111), we get a palindrome (1154554511).

The spelling of 1111143400 in words is "one billion, one hundred eleven million, one hundred forty-three thousand, four hundred".