128410347755 has 4 divisors (see below), whose sum is σ = 154092417312. Its totient is φ = 102728278200.

The previous prime is 128410347749. The next prime is 128410347757. The reversal of 128410347755 is 557743014821.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-128410347755 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (128410347757) 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, 12841034771 + ... + 12841034780.

It is an arithmetic number, because the mean of its divisors is an integer number (38523104328).

Almost surely, 2^128410347755 is an apocalyptic number.

128410347755 is a deficient number, since it is larger than the sum of its proper divisors (25682069557).

128410347755 is an equidigital number, since it uses as much as digits as its factorization.

128410347755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25682069556.

The product of its (nonzero) digits is 940800, while the sum is 47.

The spelling of 128410347755 in words is "one hundred twenty-eight billion, four hundred ten million, three hundred forty-seven thousand, seven hundred fifty-five".