1159905108 has 12 divisors (see below), whose sum is σ = 2706445280. Its totient is φ = 386635032.

The previous prime is 1159905107. The next prime is 1159905113. The reversal of 1159905108 is 8015099511.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1159905101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48329368 + ... + 48329391.

Almost surely, 2^1159905108 is an apocalyptic number.

It is an amenable number.

1159905108 is an abundant number, since it is smaller than the sum of its proper divisors (1546540172).

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

1159905108 is a wasteful number, since it uses less digits than its factorization.

1159905108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96658766 (or 96658764 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 39.

The square root of 1159905108 is about 34057.3796408356. The cubic root of 1159905108 is about 1050.6889229437.

The spelling of 1159905108 in words is "one billion, one hundred fifty-nine million, nine hundred five thousand, one hundred eight".