8525569152 has 64 divisors (see below), whose sum is σ = 22771344960. Its totient is φ = 2826132480.

The previous prime is 8525569141. The next prime is 8525569153. The reversal of 8525569152 is 2519655258.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (8525569153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8173 + ... + 130835.

It is an arithmetic number, because the mean of its divisors is an integer number (355802265).

Almost surely, 2^8525569152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8525569152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11385672480).

8525569152 is an abundant number, since it is smaller than the sum of its proper divisors (14245775808).

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

8525569152 is a wasteful number, since it uses less digits than its factorization.

8525569152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122861 (or 122849 counting only the distinct ones).

The product of its digits is 1080000, while the sum is 48.

The square root of 8525569152 is about 92334.0086425365. The cubic root of 8525569152 is about 2042.8718644247.

The spelling of 8525569152 in words is "eight billion, five hundred twenty-five million, five hundred sixty-nine thousand, one hundred fifty-two".