8611582122 has 128 divisors (see below), whose sum is σ = 23460433920. Its totient is φ = 2304054720.

The previous prime is 8611582081. The next prime is 8611582123. The reversal of 8611582122 is 2212851168.

8611582122 is a `hidden beast` number, since 8 + 61 + 1 + 582 + 12 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (8611582123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 153363 + ... + 201849.

It is an arithmetic number, because the mean of its divisors is an integer number (183284640).

Almost surely, 2^8611582122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8611582122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11730216960).

8611582122 is an abundant number, since it is smaller than the sum of its proper divisors (14848851798).

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

8611582122 is a wasteful number, since it uses less digits than its factorization.

8611582122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48545 (or 48539 counting only the distinct ones).

The product of its digits is 15360, while the sum is 36.

The square root of 8611582122 is about 92798.6105607191. The cubic root of 8611582122 is about 2049.7189479462.

The spelling of 8611582122 in words is "eight billion, six hundred eleven million, five hundred eighty-two thousand, one hundred twenty-two".