1115241113 has 4 divisors (see below), whose sum is σ = 1274561280. Its totient is φ = 955920948.

The previous prime is 1115241103. The next prime is 1115241137. The reversal of 1115241113 is 3111425111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3111425111 = 1283 ⋅2425117.

It is a cyclic number.

It is not a de Polignac number, because 1115241113 - 2⁴ = 1115241097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1115241103) 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, 79660073 + ... + 79660086.

It is an arithmetic number, because the mean of its divisors is an integer number (318640320).

Almost surely, 2^1115241113 is an apocalyptic number.

It is an amenable number.

1115241113 is a deficient number, since it is larger than the sum of its proper divisors (159320167).

1115241113 is an equidigital number, since it uses as much as digits as its factorization.

1115241113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159320166.

The product of its digits is 120, while the sum is 20.

The square root of 1115241113 is about 33395.2259013171. The cubic root of 1115241113 is about 1037.0258695443.

Adding to 1115241113 its reverse (3111425111), we get a palindrome (4226666224).

The spelling of 1115241113 in words is "one billion, one hundred fifteen million, two hundred forty-one thousand, one hundred thirteen".