128333988545 has 16 divisors (see below), whose sum is σ = 176326249728. Its totient is φ = 87837773760.

The previous prime is 128333988527. The next prime is 128333988581. The reversal of 128333988545 is 545889333821.

It is not a de Polignac number, because 128333988545 - 2¹⁴ = 128333972161 is a prime.

It is a super-2 number, since 2×128333988545² (a number of 23 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 (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3369869 + ... + 3407738.

It is an arithmetic number, because the mean of its divisors is an integer number (11020390608).

Almost surely, 2^128333988545 is an apocalyptic number.

It is an amenable number.

128333988545 is a deficient number, since it is larger than the sum of its proper divisors (47992261183).

128333988545 is an equidigital number, since it uses as much as digits as its factorization.

128333988545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6778160.

The product of its digits is 24883200, while the sum is 59.

The spelling of 128333988545 in words is "one hundred twenty-eight billion, three hundred thirty-three million, nine hundred eighty-eight thousand, five hundred forty-five".