1113471911 has 2 divisors, whose sum is σ = 1113471912. Its totient is φ = 1113471910.

The previous prime is 1113471889. The next prime is 1113471923. The reversal of 1113471911 is 1191743111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1113471911 - 2¹⁴ = 1113455527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1113474911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556735955 + 556735956.

It is an arithmetic number, because the mean of its divisors is an integer number (556735956).

Almost surely, 2^1113471911 is an apocalyptic number.

1113471911 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113471911 is an equidigital number, since it uses as much as digits as its factorization.

1113471911 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 756, while the sum is 29.

The square root of 1113471911 is about 33368.7265414789. The cubic root of 1113471911 is about 1036.4772051459.

The spelling of 1113471911 in words is "one billion, one hundred thirteen million, four hundred seventy-one thousand, nine hundred eleven".