1113443011 has 2 divisors, whose sum is σ = 1113443012. Its totient is φ = 1113443010.

The previous prime is 1113442987. The next prime is 1113443017. The reversal of 1113443011 is 1103443111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1113443011 - 2²³ = 1105054403 is a prime.

It is a super-2 number, since 2×1113443011² = 2479510677489492242, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1113443011.

It is not a weakly prime, because it can be changed into another prime (1113443017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556721505 + 556721506.

It is an arithmetic number, because the mean of its divisors is an integer number (556721506).

Almost surely, 2^1113443011 is an apocalyptic number.

1113443011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113443011 is an equidigital number, since it uses as much as digits as its factorization.

1113443011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1113443011 is about 33368.2934984695. The cubic root of 1113443011 is about 1036.4682378637.

Adding to 1113443011 its reverse (1103443111), we get a palindrome (2216886122).

It can be divided in two parts, 11134 and 43011, that added together give a palindrome (54145).

The spelling of 1113443011 in words is "one billion, one hundred thirteen million, four hundred forty-three thousand, eleven".