128543901744 has 40 divisors (see below), whose sum is σ = 343522499760. Its totient is φ = 41370450688.

The previous prime is 128543901743. The next prime is 128543901757. The reversal of 128543901744 is 447109345821.

It is a super-2 number, since 2×128543901744² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 128543901693 and 128543901702.

It is not an unprimeable number, because it can be changed into a prime (128543901743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46170987 + ... + 46173770.

It is an arithmetic number, because the mean of its divisors is an integer number (8588062494).

Almost surely, 2^128543901744 is an apocalyptic number.

It is an amenable number.

128543901744 is an abundant number, since it is smaller than the sum of its proper divisors (214978598016).

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

128543901744 is a wasteful number, since it uses less digits than its factorization.

128543901744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92344797 (or 92344791 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 48.

The spelling of 128543901744 in words is "one hundred twenty-eight billion, five hundred forty-three million, nine hundred one thousand, seven hundred forty-four".