1172202066009 has 24 divisors (see below), whose sum is σ = 1865830686720. Its totient is φ = 704579414112.

The previous prime is 1172202065999. The next prime is 1172202066041. The reversal of 1172202066009 is 9006602022711.

1172202066009 is a `hidden beast` number, since 1 + 1 + 7 + 2 + 20 + 20 + 6 + 600 + 9 = 666.

It is not a de Polignac number, because 1172202066009 - 2⁵ = 1172202065977 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1172202066809) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 116492889 + ... + 116502950.

It is an arithmetic number, because the mean of its divisors is an integer number (77742945280).

Almost surely, 2^{1172202066009} is an apocalyptic number.

It is an amenable number.

1172202066009 is a deficient number, since it is larger than the sum of its proper divisors (693628620711).

1172202066009 is a wasteful number, since it uses less digits than its factorization.

1172202066009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232995901 (or 232995898 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The spelling of 1172202066009 in words is "one trillion, one hundred seventy-two billion, two hundred two million, sixty-six thousand, nine".