128311165200156 has 12 divisors (see below), whose sum is σ = 299392718800392. Its totient is φ = 42770388400048.

The previous prime is 128311165200133. The next prime is 128311165200181. The reversal of 128311165200156 is 651002561113821.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

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 3 ways as a sum of consecutive naturals, for example, 5346298549995 + ... + 5346298550018.

It is an arithmetic number, because the mean of its divisors is an integer number (24949393233366).

Almost surely, 2^{128311165200156} is an apocalyptic number.

It is an amenable number.

128311165200156 is an abundant number, since it is smaller than the sum of its proper divisors (171081553600236).

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

128311165200156 is a wasteful number, since it uses less digits than its factorization.

128311165200156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10692597100020 (or 10692597100018 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 42.

The spelling of 128311165200156 in words is "one hundred twenty-eight trillion, three hundred eleven billion, one hundred sixty-five million, two hundred thousand, one hundred fifty-six".