1101181113 has 12 divisors (see below), whose sum is σ = 1614336048. Its totient is φ = 723163320.

The previous prime is 1101181057. The next prime is 1101181121. The reversal of 1101181113 is 3111811011.

It is not a de Polignac number, because 1101181113 - 2⁶ = 1101181049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1101181513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 912483 + ... + 913688.

It is an arithmetic number, because the mean of its divisors is an integer number (134528004).

Almost surely, 2^1101181113 is an apocalyptic number.

It is an amenable number.

1101181113 is a deficient number, since it is larger than the sum of its proper divisors (513154935).

1101181113 is a wasteful number, since it uses less digits than its factorization.

1101181113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1826244 (or 1826241 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 18.

The square root of 1101181113 is about 33184.0490748191. The cubic root of 1101181113 is about 1032.6494498026.

Adding to 1101181113 its reverse (3111811011), we get a palindrome (4212992124).

The spelling of 1101181113 in words is "one billion, one hundred one million, one hundred eighty-one thousand, one hundred thirteen".