128005611013276 has 24 divisors (see below), whose sum is σ = 227198970048960. Its totient is φ = 63095887421952.

The previous prime is 128005611013271. The next prime is 128005611013333. The reversal of 128005611013276 is 672310116500821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128005611013271) 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, 533361220 + ... + 533601163.

It is an arithmetic number, because the mean of its divisors is an integer number (9466623752040).

Almost surely, 2^{128005611013276} is an apocalyptic number.

It is an amenable number.

128005611013276 is a deficient number, since it is larger than the sum of its proper divisors (99193359035684).

128005611013276 is a wasteful number, since it uses less digits than its factorization.

128005611013276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1066962813 (or 1066962811 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 43.

The spelling of 128005611013276 in words is "one hundred twenty-eight trillion, five billion, six hundred eleven million, thirteen thousand, two hundred seventy-six".