128005464850526 has 16 divisors (see below), whose sum is σ = 192789497783520. Its totient is φ = 63742387261440.

The previous prime is 128005464850519. The next prime is 128005464850547. The reversal of 128005464850526 is 625058464500821.

128005464850526 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19183295 + ... + 24980186.

It is an arithmetic number, because the mean of its divisors is an integer number (12049343611470).

Almost surely, 2^{128005464850526} is an apocalyptic number.

128005464850526 is a deficient number, since it is larger than the sum of its proper divisors (64784032932994).

128005464850526 is a wasteful number, since it uses less digits than its factorization.

128005464850526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44169379.

The product of its (nonzero) digits is 18432000, while the sum is 56.

The spelling of 128005464850526 in words is "one hundred twenty-eight trillion, five billion, four hundred sixty-four million, eight hundred fifty thousand, five hundred twenty-six".