128965079470061 has 8 divisors (see below), whose sum is σ = 129052114245600. Its totient is φ = 128878051482000.

The previous prime is 128965079470037. The next prime is 128965079470081. The reversal of 128965079470061 is 160074970569821.

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

It is a cyclic number.

It is not a de Polignac number, because 128965079470061 - 2²⁶ = 128965012361197 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 128965079470061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128965079470081) 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, 36608375 + ... + 39976283.

It is an arithmetic number, because the mean of its divisors is an integer number (16131514280700).

Almost surely, 2^{128965079470061} is an apocalyptic number.

It is an amenable number.

128965079470061 is a deficient number, since it is larger than the sum of its proper divisors (87034775539).

128965079470061 is a wasteful number, since it uses less digits than its factorization.

128965079470061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3393739.

The product of its (nonzero) digits is 45722880, while the sum is 65.

The spelling of 128965079470061 in words is "one hundred twenty-eight trillion, nine hundred sixty-five billion, seventy-nine million, four hundred seventy thousand, sixty-one".