1081118113 has 2 divisors, whose sum is σ = 1081118114. Its totient is φ = 1081118112.

The previous prime is 1081118041. The next prime is 1081118119. The reversal of 1081118113 is 3118111801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1071056529 + 10061584 = 32727^2 + 3172^2 .

It is a cyclic number.

It is not a de Polignac number, because 1081118113 - 2¹³ = 1081109921 is a prime.

It is not a weakly prime, because it can be changed into another prime (1081118119) 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, 540559056 + 540559057.

It is an arithmetic number, because the mean of its divisors is an integer number (540559057).

Almost surely, 2^1081118113 is an apocalyptic number.

It is an amenable number.

1081118113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1081118113 is an equidigital number, since it uses as much as digits as its factorization.

1081118113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 25.

The square root of 1081118113 is about 32880.3605971711. The cubic root of 1081118113 is about 1026.3395100261.

Adding to 1081118113 its reverse (3118111801), we get a palindrome (4199229914).

The spelling of 1081118113 in words is "one billion, eighty-one million, one hundred eighteen thousand, one hundred thirteen".