1113663113 has 2 divisors, whose sum is σ = 1113663114. Its totient is φ = 1113663112.

The previous prime is 1113663091. The next prime is 1113663121. The reversal of 1113663113 is 3113663111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 784168009 + 329495104 = 28003^2 + 18152^2 .

It is a cyclic number.

It is not a de Polignac number, because 1113663113 - 2⁶ = 1113663049 is a prime.

It is not a weakly prime, because it can be changed into another prime (1113663193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556831556 + 556831557.

It is an arithmetic number, because the mean of its divisors is an integer number (556831557).

Almost surely, 2^1113663113 is an apocalyptic number.

It is an amenable number.

1113663113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113663113 is an equidigital number, since it uses as much as digits as its factorization.

1113663113 is an odious number, because the sum of its binary digits is odd.

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

The square root of 1113663113 is about 33371.5914064643. The cubic root of 1113663113 is about 1036.5365286517.

The spelling of 1113663113 in words is "one billion, one hundred thirteen million, six hundred sixty-three thousand, one hundred thirteen".