128310802360552 has 32 divisors (see below), whose sum is σ = 274962754382400. Its totient is φ = 54988136861184.

The previous prime is 128310802360523. The next prime is 128310802360621. The reversal of 128310802360552 is 255063208013821.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44571177 + ... + 47362552.

It is an arithmetic number, because the mean of its divisors is an integer number (8592586074450).

Almost surely, 2^{128310802360552} is an apocalyptic number.

It is an amenable number.

128310802360552 is an abundant number, since it is smaller than the sum of its proper divisors (146651952021848).

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

128310802360552 is a wasteful number, since it uses less digits than its factorization.

128310802360552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91958665 (or 91958661 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 46.

The spelling of 128310802360552 in words is "one hundred twenty-eight trillion, three hundred ten billion, eight hundred two million, three hundred sixty thousand, five hundred fifty-two".