128984602786532 has 12 divisors (see below), whose sum is σ = 225903777907500. Its totient is φ = 64440666241536.

The previous prime is 128984602786513. The next prime is 128984602786549. The reversal of 128984602786532 is 235687206489821.

It can be written as a sum of positive squares in 2 ways, for example, as 47484585500836 + 81500017285696 = 6890906^2 + 9027736^2 .

It is a hoax number, since the sum of its digits (71) coincides with the sum of the digits of its distinct prime factors.

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, 12908782313 + ... + 12908792304.

It is an arithmetic number, because the mean of its divisors is an integer number (18825314825625).

It is a 1-persistent number, because it is pandigital, but 2⋅128984602786532 = 257969205573064 is not.

Almost surely, 2^{128984602786532} is an apocalyptic number.

It is an amenable number.

128984602786532 is a deficient number, since it is larger than the sum of its proper divisors (96919175120968).

128984602786532 is a wasteful number, since it uses less digits than its factorization.

128984602786532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25817575870 (or 25817575868 counting only the distinct ones).

The product of its (nonzero) digits is 557383680, while the sum is 71.

The spelling of 128984602786532 in words is "one hundred twenty-eight trillion, nine hundred eighty-four billion, six hundred two million, seven hundred eighty-six thousand, five hundred thirty-two".