128320055367 has 16 divisors (see below), whose sum is σ = 207037400832. Its totient is φ = 69012466560.

The previous prime is 128320055363. The next prime is 128320055377. The reversal of 128320055367 is 763550023821.

It is a happy number.

It is not a de Polignac number, because 128320055367 - 2² = 128320055363 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128320055363) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 179719609 + ... + 179720322.

It is an arithmetic number, because the mean of its divisors is an integer number (12939837552).

Almost surely, 2^128320055367 is an apocalyptic number.

128320055367 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

128320055367 is a deficient number, since it is larger than the sum of its proper divisors (78717345465).

128320055367 is a wasteful number, since it uses less digits than its factorization.

128320055367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359439958.

The product of its (nonzero) digits is 302400, while the sum is 42.

The spelling of 128320055367 in words is "one hundred twenty-eight billion, three hundred twenty million, fifty-five thousand, three hundred sixty-seven".