1116241813 has 8 divisors (see below), whose sum is σ = 1155115800. Its totient is φ = 1077393408.

The previous prime is 1116241787. The next prime is 1116241817. The reversal of 1116241813 is 3181426111.

It can be written as a sum of positive squares in 4 ways, for example, as 45185284 + 1071056529 = 6722^2 + 32727^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1116241813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1116241817) 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, 137845 + ... + 145717.

It is an arithmetic number, because the mean of its divisors is an integer number (144389475).

Almost surely, 2^1116241813 is an apocalyptic number.

It is an amenable number.

1116241813 is a deficient number, since it is larger than the sum of its proper divisors (38873987).

1116241813 is an equidigital number, since it uses as much as digits as its factorization.

1116241813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12791.

The product of its digits is 1152, while the sum is 28.

The square root of 1116241813 is about 33410.2052223568. The cubic root of 1116241813 is about 1037.3359494426.

Adding to 1116241813 its reverse (3181426111), we get a palindrome (4297667924).

It can be divided in two parts, 11162 and 41813, that added together give a triangular number (52975 = T₃₂₅).

The spelling of 1116241813 in words is "one billion, one hundred sixteen million, two hundred forty-one thousand, eight hundred thirteen".