1115234013 has 16 divisors (see below), whose sum is σ = 1565964800. Its totient is φ = 704032560.

The previous prime is 1115233969. The next prime is 1115234033. The reversal of 1115234013 is 3104325111.

It is not a de Polignac number, because 1115234013 - 2¹² = 1115229917 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115234033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 200808 + ... + 206286.

It is an arithmetic number, because the mean of its divisors is an integer number (97872800).

Almost surely, 2^1115234013 is an apocalyptic number.

It is an amenable number.

1115234013 is a deficient number, since it is larger than the sum of its proper divisors (450730787).

1115234013 is a wasteful number, since it uses less digits than its factorization.

1115234013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9072.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 1115234013 is about 33395.1195985282. The cubic root of 1115234013 is about 1037.0236688545.

Adding to 1115234013 its reverse (3104325111), we get a palindrome (4219559124).

The spelling of 1115234013 in words is "one billion, one hundred fifteen million, two hundred thirty-four thousand, thirteen".