4855728128205 has 32 divisors (see below), whose sum is σ = 8261480283264. Its totient is φ = 2426924189696.

The previous prime is 4855728128183. The next prime is 4855728128231. The reversal of 4855728128205 is 5028218275584.

It is a cyclic number.

It is not a de Polignac number, because 4855728128205 - 2²² = 4855723933901 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40803399 + ... + 40922228.

It is an arithmetic number, because the mean of its divisors is an integer number (258171258852).

Almost surely, 2^{4855728128205} is an apocalyptic number.

It is an amenable number.

4855728128205 is a deficient number, since it is larger than the sum of its proper divisors (3405752155059).

4855728128205 is a wasteful number, since it uses less digits than its factorization.

4855728128205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81725885.

The product of its (nonzero) digits is 14336000, while the sum is 57.

The spelling of 4855728128205 in words is "four trillion, eight hundred fifty-five billion, seven hundred twenty-eight million, one hundred twenty-eight thousand, two hundred five".