128633425449995 has 16 divisors (see below), whose sum is σ = 158036145307392. Its totient is φ = 100458664598880.

The previous prime is 128633425449967. The next prime is 128633425450021. The reversal of 128633425449995 is 599944524336821.

It is not a de Polignac number, because 128633425449995 - 2²⁴ = 128633408672779 is a prime.

It is a Duffinian 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, 162985637 + ... + 163772966.

It is an arithmetic number, because the mean of its divisors is an integer number (9877259081712).

Almost surely, 2^{128633425449995} is an apocalyptic number.

128633425449995 is a deficient number, since it is larger than the sum of its proper divisors (29402719857397).

128633425449995 is a wasteful number, since it uses less digits than its factorization.

128633425449995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326760482.

The product of its digits is 2015539200, while the sum is 74.

The spelling of 128633425449995 in words is "one hundred twenty-eight trillion, six hundred thirty-three billion, four hundred twenty-five million, four hundred forty-nine thousand, nine hundred ninety-five".