128063715442576 has 45 divisors (see below), whose sum is σ = 255014067254961. Its totient is φ = 62300452182336.

The previous prime is 128063715442549. The next prime is 128063715442709. The reversal of 128063715442576 is 675244517360821.

The square root of 128063715442576 is 11316524.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 114593171232400 + 13470544210176 = 10704820^2 + 3670224^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1674807321 + ... + 1674883783.

Almost surely, 2^{128063715442576} is an apocalyptic number.

128063715442576 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

128063715442576 is the 11316524-th square number.

It is an amenable number.

128063715442576 is a deficient number, since it is larger than the sum of its proper divisors (126950351812385).

128063715442576 is an frugal number, since it uses more digits than its factorization.

128063715442576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153008 (or 76502 counting only the distinct ones).

The product of its (nonzero) digits is 67737600, while the sum is 61.

The spelling of 128063715442576 in words is "one hundred twenty-eight trillion, sixty-three billion, seven hundred fifteen million, four hundred forty-two thousand, five hundred seventy-six".