1111143441 has 8 divisors (see below), whose sum is σ = 1492834464. Its totient is φ = 735107360.

The previous prime is 1111143431. The next prime is 1111143457. The reversal of 1111143441 is 1443411111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1111143441 - 2⁶ = 1111143377 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1111143421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1413276 + ... + 1414061.

It is an arithmetic number, because the mean of its divisors is an integer number (186604308).

Almost surely, 2^1111143441 is an apocalyptic number.

It is an amenable number.

1111143441 is a deficient number, since it is larger than the sum of its proper divisors (381691023).

1111143441 is a wasteful number, since it uses less digits than its factorization.

1111143441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2827471.

The product of its digits is 192, while the sum is 21.

The square root of 1111143441 is about 33333.8182781391. The cubic root of 1111143441 is about 1035.7542142020.

Adding to 1111143441 its reverse (1443411111), we get a palindrome (2554554552).

The spelling of 1111143441 in words is "one billion, one hundred eleven million, one hundred forty-three thousand, four hundred forty-one".