128754054498 has 8 divisors (see below), whose sum is σ = 257508109008. Its totient is φ = 42918018164.

The previous prime is 128754054463. The next prime is 128754054503. The reversal of 128754054498 is 894450457821.

It is a sphenic number, since it is the product of 3 distinct primes.

128754054498 is an admirable 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 3 ways as a sum of consecutive naturals, for example, 10729504536 + ... + 10729504547.

It is an arithmetic number, because the mean of its divisors is an integer number (32188513626).

Almost surely, 2^128754054498 is an apocalyptic number.

128754054498 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

128754054498 is a wasteful number, since it uses less digits than its factorization.

128754054498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21459009088.

The product of its (nonzero) digits is 12902400, while the sum is 57.

The spelling of 128754054498 in words is "one hundred twenty-eight billion, seven hundred fifty-four million, fifty-four thousand, four hundred ninety-eight".