1113113663 has 4 divisors (see below), whose sum is σ = 1113284088. Its totient is φ = 1112943240.

The previous prime is 1113113623. The next prime is 1113113671. The reversal of 1113113663 is 3663113111.

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 1113113663 - 2²² = 1108919359 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 (1113113623) 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, 75008 + ... + 88613.

It is an arithmetic number, because the mean of its divisors is an integer number (278321022).

Almost surely, 2^1113113663 is an apocalyptic number.

1113113663 is a deficient number, since it is larger than the sum of its proper divisors (170425).

1113113663 is an equidigital number, since it uses as much as digits as its factorization.

1113113663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170424.

The product of its digits is 972, while the sum is 26.

The square root of 1113113663 is about 33363.3580893770. The cubic root of 1113113663 is about 1036.3660346375.

Adding to 1113113663 its reverse (3663113111), we get a palindrome (4776226774).

The spelling of 1113113663 in words is "one billion, one hundred thirteen million, one hundred thirteen thousand, six hundred sixty-three".