128375257375254 has 32 divisors (see below), whose sum is σ = 257762534122080. Its totient is φ = 42623198777600.

The previous prime is 128375257375237. The next prime is 128375257375273. The reversal of 128375257375254 is 452573752573821.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10106349 + ... + 18944360.

It is an arithmetic number, because the mean of its divisors is an integer number (8055079191315).

Almost surely, 2^{128375257375254} is an apocalyptic number.

128375257375254 is an abundant number, since it is smaller than the sum of its proper divisors (129387276746826).

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

128375257375254 is a wasteful number, since it uses less digits than its factorization.

128375257375254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29053616.

The product of its digits is 493920000, while the sum is 66.

The spelling of 128375257375254 in words is "one hundred twenty-eight trillion, three hundred seventy-five billion, two hundred fifty-seven million, three hundred seventy-five thousand, two hundred fifty-four".