128360651892496 has 45 divisors (see below), whose sum is σ = 249119971065063. Its totient is φ = 64071810692640.

The previous prime is 128360651892463. The next prime is 128360651892503. The reversal of 128360651892496 is 694298156063821.

The square root of 128360651892496 is 11329636.

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

It is a super-2 number, since 2×128360651892496² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 31315111855 + ... + 31315115953.

Almost surely, 2^{128360651892496} is an apocalyptic number.

128360651892496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

128360651892496 is the 11329636-th square number.

It is an amenable number.

128360651892496 is a deficient number, since it is larger than the sum of its proper divisors (120759319172567).

128360651892496 is an frugal number, since it uses more digits than its factorization.

128360651892496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9588 (or 4792 counting only the distinct ones).

The product of its (nonzero) digits is 268738560, while the sum is 70.

The spelling of 128360651892496 in words is "one hundred twenty-eight trillion, three hundred sixty billion, six hundred fifty-one million, eight hundred ninety-two thousand, four hundred ninety-six".