128241792051 has 8 divisors (see below), whose sum is σ = 174965545920. Its totient is φ = 83506283112.

The previous prime is 128241792043. The next prime is 128241792073. The reversal of 128241792051 is 150297142821.

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

It is not a de Polignac number, because 128241792051 - 2³ = 128241792043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 128241791994 and 128241792012.

It is not an unprimeable number, because it can be changed into a prime (128241792251) 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 7 ways as a sum of consecutive naturals, for example, 497061081 + ... + 497061338.

It is an arithmetic number, because the mean of its divisors is an integer number (21870693240).

Almost surely, 2^128241792051 is an apocalyptic number.

128241792051 is a deficient number, since it is larger than the sum of its proper divisors (46723753869).

128241792051 is an equidigital number, since it uses as much as digits as its factorization.

128241792051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 994122465.

The product of its (nonzero) digits is 80640, while the sum is 42.

The spelling of 128241792051 in words is "one hundred twenty-eight billion, two hundred forty-one million, seven hundred ninety-two thousand, fifty-one".