325117952128 has 32 divisors (see below), whose sum is σ = 675856618560. Its totient is φ = 155491193088.

The previous prime is 325117952083. The next prime is 325117952129. The reversal of 325117952128 is 821259711523.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (46).

It is not an unprimeable number, because it can be changed into a prime (325117952129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55214100 + ... + 55219987.

It is an arithmetic number, because the mean of its divisors is an integer number (21120519330).

Almost surely, 2^325117952128 is an apocalyptic number.

It is an amenable number.

325117952128 is an abundant number, since it is smaller than the sum of its proper divisors (350738666432).

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

325117952128 is a wasteful number, since it uses less digits than its factorization.

325117952128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110434124 (or 110434112 counting only the distinct ones).

The product of its digits is 302400, while the sum is 46.

The spelling of 325117952128 in words is "three hundred twenty-five billion, one hundred seventeen million, nine hundred fifty-two thousand, one hundred twenty-eight".