128032468637425 has 12 divisors (see below), whose sum is σ = 173193012120816. Its totient is φ = 93114522645200.

The previous prime is 128032468637413. The next prime is 128032468637429. The reversal of 128032468637425 is 524736864230821.

It is not a de Polignac number, because 128032468637425 - 2¹⁵ = 128032468604657 is a prime.

It is a super-2 number, since 2×128032468637425² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (128032468637429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 232786306339 + ... + 232786306888.

It is an arithmetic number, because the mean of its divisors is an integer number (14432751010068).

Almost surely, 2^{128032468637425} is an apocalyptic number.

It is an amenable number.

128032468637425 is a deficient number, since it is larger than the sum of its proper divisors (45160543483391).

128032468637425 is a wasteful number, since it uses less digits than its factorization.

128032468637425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465572613248 (or 465572613243 counting only the distinct ones).

The product of its (nonzero) digits is 92897280, while the sum is 61.

The spelling of 128032468637425 in words is "one hundred twenty-eight trillion, thirty-two billion, four hundred sixty-eight million, six hundred thirty-seven thousand, four hundred twenty-five".