1105111008 has 72 divisors (see below), whose sum is σ = 3215780568. Its totient is φ = 359799552.

The previous prime is 1105110991. The next prime is 1105111019. The reversal of 1105111008 is 8001115011.

It is a happy number.

1105111008 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32235 + ... + 57002.

It is an arithmetic number, because the mean of its divisors is an integer number (44663619).

Almost surely, 2^1105111008 is an apocalyptic number.

1105111008 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1105111008 is an abundant number, since it is smaller than the sum of its proper divisors (2110669560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1105111008 is a wasteful number, since it uses less digits than its factorization.

1105111008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89296 (or 89285 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 18.

The square root of 1105111008 is about 33243.2099533123. The cubic root of 1105111008 is about 1033.8764310779.

Adding to 1105111008 its reverse (8001115011), we get a palindrome (9106226019).

The spelling of 1105111008 in words is "one billion, one hundred five million, one hundred eleven thousand, eight".