1113636971 has 2 divisors, whose sum is σ = 1113636972. Its totient is φ = 1113636970.

The previous prime is 1113636967. The next prime is 1113637067. The reversal of 1113636971 is 1796363111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1113636971 - 2² = 1113636967 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1113636071) 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, 556818485 + 556818486.

It is an arithmetic number, because the mean of its divisors is an integer number (556818486).

Almost surely, 2^1113636971 is an apocalyptic number.

1113636971 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113636971 is an equidigital number, since it uses as much as digits as its factorization.

1113636971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20412, while the sum is 38.

The square root of 1113636971 is about 33371.1997237139. The cubic root of 1113636971 is about 1036.5284180751.

The spelling of 1113636971 in words is "one billion, one hundred thirteen million, six hundred thirty-six thousand, nine hundred seventy-one".