128250371702155 has 16 divisors (see below), whose sum is σ = 160596498383424. Its totient is φ = 98136525168000.

The previous prime is 128250371702143. The next prime is 128250371702203. The reversal of 128250371702155 is 551207173052821.

It is not a de Polignac number, because 128250371702155 - 2³³ = 128241781767563 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 128250371702099 and 128250371702108.

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, 12492096 + ... + 20311405.

It is an arithmetic number, because the mean of its divisors is an integer number (10037281148964).

Almost surely, 2^{128250371702155} is an apocalyptic number.

128250371702155 is a deficient number, since it is larger than the sum of its proper divisors (32346126681269).

128250371702155 is a wasteful number, since it uses less digits than its factorization.

128250371702155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32837526.

The product of its (nonzero) digits is 1176000, while the sum is 49.

The spelling of 128250371702155 in words is "one hundred twenty-eight trillion, two hundred fifty billion, three hundred seventy-one million, seven hundred two thousand, one hundred fifty-five".