8561122952 has 12 divisors (see below), whose sum is σ = 16052596245. Its totient is φ = 4280430624.

The previous prime is 8561122919. The next prime is 8561122963. The reversal of 8561122952 is 2592211658.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 8555140036 + 5982916 = 92494^2 + 2446^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=65426.

It is a super-2 number, since 2×8561122952² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 245348 + ... + 278060.

Almost surely, 2^8561122952 is an apocalyptic number.

It is an amenable number.

8561122952 is a deficient number, since it is larger than the sum of its proper divisors (7491473293).

8561122952 is an frugal number, since it uses more digits than its factorization.

8561122952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65432 (or 32715 counting only the distinct ones).

The product of its digits is 86400, while the sum is 41.

The square root of 8561122952 is about 92526.3365318221. The cubic root of 8561122952 is about 2045.7076917736.

The spelling of 8561122952 in words is "eight billion, five hundred sixty-one million, one hundred twenty-two thousand, nine hundred fifty-two".