1143535041 has 12 divisors (see below), whose sum is σ = 1801934160. Its totient is φ = 693051480.

The previous prime is 1143535031. The next prime is 1143535079. The reversal of 1143535041 is 1405353411.

It is a happy number.

It is not a de Polignac number, because 1143535041 - 2⁵ = 1143535009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1143534996 and 1143535014.

It is not an unprimeable number, because it can be changed into a prime (1143535031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5775331 + ... + 5775528.

It is an arithmetic number, because the mean of its divisors is an integer number (150161180).

Almost surely, 2^1143535041 is an apocalyptic number.

1143535041 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1143535041 is a deficient number, since it is larger than the sum of its proper divisors (658399119).

1143535041 is a wasteful number, since it uses less digits than its factorization.

1143535041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11550876 (or 11550873 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 1143535041 is about 33816.1949515317. The cubic root of 1143535041 is about 1045.7225960023.

Adding to 1143535041 its reverse (1405353411), we get a palindrome (2548888452).

The spelling of 1143535041 in words is "one billion, one hundred forty-three million, five hundred thirty-five thousand, forty-one".