32520125500 has 96 divisors (see below), whose sum is σ = 74202605568. Its totient is φ = 12427272000.

The previous prime is 32520125497. The next prime is 32520125501. The reversal of 32520125500 is 552102523.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32520125501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15259435 + ... + 15261565.

It is an arithmetic number, because the mean of its divisors is an integer number (772943808).

Almost surely, 2^32520125500 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 32520125500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37101302784).

32520125500 is an abundant number, since it is smaller than the sum of its proper divisors (41682480068).

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

32520125500 is a wasteful number, since it uses less digits than its factorization.

32520125500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3500 (or 3488 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The spelling of 32520125500 in words is "thirty-two billion, five hundred twenty million, one hundred twenty-five thousand, five hundred".