9811117252 has 24 divisors (see below), whose sum is σ = 17774084160. Its totient is φ = 4733047200.

The previous prime is 9811117249. The next prime is 9811117273. The reversal of 9811117252 is 2527111189.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 138627 + ... + 197077.

It is an arithmetic number, because the mean of its divisors is an integer number (740586840).

Almost surely, 2^9811117252 is an apocalyptic number.

It is an amenable number.

9811117252 is a deficient number, since it is larger than the sum of its proper divisors (7962966908).

9811117252 is a wasteful number, since it uses less digits than its factorization.

9811117252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59931 (or 59929 counting only the distinct ones).

The product of its digits is 10080, while the sum is 37.

The square root of 9811117252 is about 99051.0840526241. The cubic root of 9811117252 is about 2140.7838608050.

The spelling of 9811117252 in words is "nine billion, eight hundred eleven million, one hundred seventeen thousand, two hundred fifty-two".