128626894485532 has 24 divisors (see below), whose sum is σ = 234885392532000. Its totient is φ = 61516818006336.

The previous prime is 128626894485503. The next prime is 128626894485619. The reversal of 128626894485532 is 235584498626821.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 10306594 + ... + 19065142.

It is an arithmetic number, because the mean of its divisors is an integer number (9786891355500).

Almost surely, 2^{128626894485532} is an apocalyptic number.

It is an amenable number.

128626894485532 is a deficient number, since it is larger than the sum of its proper divisors (106258498046468).

128626894485532 is a wasteful number, since it uses less digits than its factorization.

128626894485532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8918205 (or 8918203 counting only the distinct ones).

The product of its digits is 1592524800, while the sum is 73.

The spelling of 128626894485532 in words is "one hundred twenty-eight trillion, six hundred twenty-six billion, eight hundred ninety-four million, four hundred eighty-five thousand, five hundred thirty-two".