128350333355 has 4 divisors (see below), whose sum is σ = 154020400032. Its totient is φ = 102680266680.

The previous prime is 128350333337. The next prime is 128350333369. The reversal of 128350333355 is 553333053821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 553333053821 = 1723 ⋅321145127.

It is not a de Polignac number, because 128350333355 - 2⁸ = 128350333099 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12835033331 + ... + 12835033340.

It is an arithmetic number, because the mean of its divisors is an integer number (38505100008).

Almost surely, 2^128350333355 is an apocalyptic number.

128350333355 is a deficient number, since it is larger than the sum of its proper divisors (25670066677).

128350333355 is an equidigital number, since it uses as much as digits as its factorization.

128350333355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25670066676.

The product of its (nonzero) digits is 486000, while the sum is 41.

The spelling of 128350333355 in words is "one hundred twenty-eight billion, three hundred fifty million, three hundred thirty-three thousand, three hundred fifty-five".