128304146855 has 16 divisors (see below), whose sum is σ = 157347425664. Its totient is φ = 100391312640.

The previous prime is 128304146807. The next prime is 128304146879. The reversal of 128304146855 is 558641403821.

It is not a de Polignac number, because 128304146855 - 2¹⁰ = 128304145831 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163709 + ... + 532361.

It is an arithmetic number, because the mean of its divisors is an integer number (9834214104).

Almost surely, 2^128304146855 is an apocalyptic number.

128304146855 is a deficient number, since it is larger than the sum of its proper divisors (29043278809).

128304146855 is a wasteful number, since it uses less digits than its factorization.

128304146855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370186.

The product of its (nonzero) digits is 921600, while the sum is 47.

The spelling of 128304146855 in words is "one hundred twenty-eight billion, three hundred four million, one hundred forty-six thousand, eight hundred fifty-five".