128562928554 has 8 divisors (see below), whose sum is σ = 257125857120. Its totient is φ = 42854309516.

The previous prime is 128562928547. The next prime is 128562928691. The reversal of 128562928554 is 455829265821.

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

128562928554 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 128562928494 and 128562928503.

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, 10713577374 + ... + 10713577385.

It is an arithmetic number, because the mean of its divisors is an integer number (32140732140).

Almost surely, 2^128562928554 is an apocalyptic number.

128562928554 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.

128562928554 is a wasteful number, since it uses less digits than its factorization.

128562928554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21427154764.

The product of its digits is 13824000, while the sum is 57.

The spelling of 128562928554 in words is "one hundred twenty-eight billion, five hundred sixty-two million, nine hundred twenty-eight thousand, five hundred fifty-four".