128253862281208 has 16 divisors (see below), whose sum is σ = 240482547843480. Its totient is φ = 64125182856288.

The previous prime is 128253862281121. The next prime is 128253862281253. The reversal of 128253862281208 is 802182268352821.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218223735 + ... + 218810662.

Almost surely, 2^{128253862281208} is an apocalyptic number.

It is an amenable number.

128253862281208 is a deficient number, since it is larger than the sum of its proper divisors (112228685562272).

128253862281208 is a wasteful number, since it uses less digits than its factorization.

128253862281208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437071086 (or 437071082 counting only the distinct ones).

The product of its (nonzero) digits is 11796480, while the sum is 58.

The spelling of 128253862281208 in words is "one hundred twenty-eight trillion, two hundred fifty-three billion, eight hundred sixty-two million, two hundred eighty-one thousand, two hundred eight".