128151565033 has 4 divisors (see below), whose sum is σ = 128614206340. Its totient is φ = 127688923728.

The previous prime is 128151564977. The next prime is 128151565039. The reversal of 128151565033 is 330565151821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 330565151821 = 89 ⋅3714215189.

It can be written as a sum of positive squares in 2 ways, for example, as 77099518224 + 51052046809 = 277668^2 + 225947^2 .

It is a cyclic number.

It is not a de Polignac number, because 128151565033 - 2⁹ = 128151564521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (128151565039) 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 3 ways as a sum of consecutive naturals, for example, 231320238 + ... + 231320791.

It is an arithmetic number, because the mean of its divisors is an integer number (32153551585).

Almost surely, 2^128151565033 is an apocalyptic number.

It is an amenable number.

128151565033 is a deficient number, since it is larger than the sum of its proper divisors (462641307).

128151565033 is an equidigital number, since it uses as much as digits as its factorization.

128151565033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462641306.

The product of its (nonzero) digits is 108000, while the sum is 40.

The spelling of 128151565033 in words is "one hundred twenty-eight billion, one hundred fifty-one million, five hundred sixty-five thousand, thirty-three".