128288522398 has 4 divisors (see below), whose sum is σ = 192432783600. Its totient is φ = 64144261198.

The previous prime is 128288522347. The next prime is 128288522419. The reversal of 128288522398 is 893225882821.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32072130598 + ... + 32072130601.

It is an arithmetic number, because the mean of its divisors is an integer number (48108195900).

Almost surely, 2^128288522398 is an apocalyptic number.

128288522398 is a deficient number, since it is larger than the sum of its proper divisors (64144261202).

128288522398 is an equidigital number, since it uses as much as digits as its factorization.

128288522398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64144261201.

The product of its digits is 8847360, while the sum is 58.

The spelling of 128288522398 in words is "one hundred twenty-eight billion, two hundred eighty-eight million, five hundred twenty-two thousand, three hundred ninety-eight".