1115231041 has 4 divisors (see below), whose sum is σ = 1116697284. Its totient is φ = 1113764800.

The previous prime is 1115231027. The next prime is 1115231053. The reversal of 1115231041 is 1401325111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1401325111 = 17989 ⋅77899.

It can be written as a sum of positive squares in 2 ways, for example, as 479434816 + 635796225 = 21896^2 + 25215^2 .

It is a cyclic number.

It is not a de Polignac number, because 1115231041 - 2¹¹ = 1115228993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1115231441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 731980 + ... + 733501.

It is an arithmetic number, because the mean of its divisors is an integer number (279174321).

Almost surely, 2^1115231041 is an apocalyptic number.

It is an amenable number.

1115231041 is a deficient number, since it is larger than the sum of its proper divisors (1466243).

1115231041 is an equidigital number, since it uses as much as digits as its factorization.

1115231041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1466242.

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 1115231041 is about 33395.0751009786. The cubic root of 1115231041 is about 1037.0227476616.

Adding to 1115231041 its reverse (1401325111), we get a palindrome (2516556152).

The spelling of 1115231041 in words is "one billion, one hundred fifteen million, two hundred thirty-one thousand, forty-one".