128031467404085 has 32 divisors (see below), whose sum is σ = 179323171218432. Its totient is φ = 85924453628160.

The previous prime is 128031467404039. The next prime is 128031467404171. The reversal of 128031467404085 is 580404764130821.

It is a happy number.

It is not a de Polignac number, because 128031467404085 - 2¹⁰ = 128031467403061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 444698639 + ... + 444986451.

It is an arithmetic number, because the mean of its divisors is an integer number (5603849100576).

Almost surely, 2^{128031467404085} is an apocalyptic number.

It is an amenable number.

128031467404085 is a deficient number, since it is larger than the sum of its proper divisors (51291703814347).

128031467404085 is a wasteful number, since it uses less digits than its factorization.

128031467404085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558293.

The product of its (nonzero) digits is 5160960, while the sum is 53.

The spelling of 128031467404085 in words is "one hundred twenty-eight trillion, thirty-one billion, four hundred sixty-seven million, four hundred four thousand, eighty-five".