128885132059264 has 192 divisors, whose sum is σ = 300237936768000. Its totient is φ = 54949562099712.

The previous prime is 128885132059241. The next prime is 128885132059279. The reversal of 128885132059264 is 462950231588821.

It is a super-2 number, since 2×128885132059264² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a junction number, because it is equal to n+sod(n) for n = 128885132059196 and 128885132059205.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1494467857 + ... + 1494554095.

It is an arithmetic number, because the mean of its divisors is an integer number (1563739254000).

Almost surely, 2^{128885132059264} is an apocalyptic number.

128885132059264 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 128885132059264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150118968384000).

128885132059264 is an abundant number, since it is smaller than the sum of its proper divisors (171352804708736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

128885132059264 is an equidigital number, since it uses as much as digits as its factorization.

128885132059264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87503 (or 87484 counting only the distinct ones).

The product of its (nonzero) digits is 66355200, while the sum is 64.

The spelling of 128885132059264 in words is "one hundred twenty-eight trillion, eight hundred eighty-five billion, one hundred thirty-two million, fifty-nine thousand, two hundred sixty-four".