1172108388834 has 24 divisors (see below), whose sum is σ = 2539674349212. Its totient is φ = 390686461920.

The previous prime is 1172108388791. The next prime is 1172108388859. The reversal of 1172108388834 is 4388838012711.

1172108388834 is a `hidden beast` number, since 1 + 17 + 210 + 8 + 388 + 8 + 34 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1143733997025 + 28374391809 = 1069455^2 + 168447^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 914737 + ... + 1783524.

Almost surely, 2^{1172108388834} is an apocalyptic number.

1172108388834 is an abundant number, since it is smaller than the sum of its proper divisors (1367565960378).

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

1172108388834 is a wasteful number, since it uses less digits than its factorization.

1172108388834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2722402 (or 2722399 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 54.

The spelling of 1172108388834 in words is "one trillion, one hundred seventy-two billion, one hundred eight million, three hundred eighty-eight thousand, eight hundred thirty-four".