128970516435 has 16 divisors (see below), whose sum is σ = 207003789216. Its totient is φ = 68567287808.

The previous prime is 128970516413. The next prime is 128970516469. The reversal of 128970516435 is 534615079821.

It is a cyclic number.

It is not a de Polignac number, because 128970516435 - 2⁹ = 128970515923 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 13556814 + ... + 13566323.

It is an arithmetic number, because the mean of its divisors is an integer number (12937736826).

It is a 1-persistent number, because it is pandigital, but 2⋅128970516435 = 257941032870 is not.

Almost surely, 2^128970516435 is an apocalyptic number.

128970516435 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

128970516435 is a deficient number, since it is larger than the sum of its proper divisors (78033272781).

128970516435 is a wasteful number, since it uses less digits than its factorization.

128970516435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27123462.

The product of its (nonzero) digits is 1814400, while the sum is 51.

The spelling of 128970516435 in words is "one hundred twenty-eight billion, nine hundred seventy million, five hundred sixteen thousand, four hundred thirty-five".