32115042100 has 72 divisors (see below), whose sum is σ = 73117431296. Its totient is φ = 12227760000.

The previous prime is 32115042067. The next prime is 32115042103. The reversal of 32115042100 is 124051123.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32115042103) 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 23 ways as a sum of consecutive naturals, for example, 104185 + ... + 274015.

Almost surely, 2^32115042100 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 32115042100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36558715648).

32115042100 is an abundant number, since it is smaller than the sum of its proper divisors (41002389196).

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

32115042100 is a wasteful number, since it uses less digits than its factorization.

32115042100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169937 (or 169930 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 32115042100 its reverse (124051123), we get a palindrome (32239093223).

The spelling of 32115042100 in words is "thirty-two billion, one hundred fifteen million, forty-two thousand, one hundred".