1115231063 has 4 divisors (see below), whose sum is σ = 1116674568. Its totient is φ = 1113787560.

The previous prime is 1115231053. The next prime is 1115231083. The reversal of 1115231063 is 3601325111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1115231063 - 2⁶ = 1115230999 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 (1115231003) 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, 720593 + ... + 722138.

It is an arithmetic number, because the mean of its divisors is an integer number (279168642).

Almost surely, 2^1115231063 is an apocalyptic number.

1115231063 is a deficient number, since it is larger than the sum of its proper divisors (1443505).

1115231063 is an equidigital number, since it uses as much as digits as its factorization.

1115231063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1443504.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 1115231063 is about 33395.0754303685. The cubic root of 1115231063 is about 1037.0227544806.

Adding to 1115231063 its reverse (3601325111), we get a palindrome (4716556174).

The spelling of 1115231063 in words is "one billion, one hundred fifteen million, two hundred thirty-one thousand, sixty-three".