32551130000 has 100 divisors (see below), whose sum is σ = 80732741628. Its totient is φ = 12702720000.

The previous prime is 32551129997. The next prime is 32551130009. The reversal of 32551130000 is 3115523.

It can be written as a sum of positive squares in 10 ways, for example, as 29738312704 + 2812817296 = 172448^2 + 53036^2 .

It is a tau number, because it is divible by the number of its divisors (100).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (32551130009) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 370304 + ... + 449696.

Almost surely, 2^32551130000 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 32551130000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40366370814).

32551130000 is an abundant number, since it is smaller than the sum of its proper divisors (48181611628).

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

32551130000 is an equidigital number, since it uses as much as digits as its factorization.

32551130000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79462 (or 79441 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 20.

Adding to 32551130000 its reverse (3115523), we get a palindrome (32554245523).

The spelling of 32551130000 in words is "thirty-two billion, five hundred fifty-one million, one hundred thirty thousand".