128044133288906 has 16 divisors (see below), whose sum is σ = 193591607682816. Its totient is φ = 63514193842656.

The previous prime is 128044133288899. The next prime is 128044133288927. The reversal of 128044133288906 is 609882331440821.

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, 148681796 + ... + 149540511.

It is an arithmetic number, because the mean of its divisors is an integer number (12099475480176).

Almost surely, 2^{128044133288906} is an apocalyptic number.

128044133288906 is a deficient number, since it is larger than the sum of its proper divisors (65547474393910).

128044133288906 is a wasteful number, since it uses less digits than its factorization.

128044133288906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298224013.

The product of its (nonzero) digits is 15925248, while the sum is 59.

The spelling of 128044133288906 in words is "one hundred twenty-eight trillion, forty-four billion, one hundred thirty-three million, two hundred eighty-eight thousand, nine hundred six".