32030128505 has 8 divisors (see below), whose sum is σ = 38492433792. Its totient is φ = 25586583088.

The previous prime is 32030128477. The next prime is 32030128511. The reversal of 32030128505 is 50582103023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 32030128505 - 2¹⁶ = 32030062969 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4686209 + ... + 4693038.

It is an arithmetic number, because the mean of its divisors is an integer number (4811554224).

Almost surely, 2^32030128505 is an apocalyptic number.

It is an amenable number.

32030128505 is a deficient number, since it is larger than the sum of its proper divisors (6462305287).

32030128505 is an equidigital number, since it uses as much as digits as its factorization.

32030128505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9379935.

The product of its (nonzero) digits is 7200, while the sum is 29.

The spelling of 32030128505 in words is "thirty-two billion, thirty million, one hundred twenty-eight thousand, five hundred five".