389161185255 has 48 divisors (see below), whose sum is σ = 711743760000. Its totient is φ = 196159347648.

The previous prime is 389161185181. The next prime is 389161185323. The reversal of 389161185255 is 552581161983.

389161185255 is a `hidden beast` number, since 389 + 1 + 6 + 1 + 1 + 8 + 5 + 255 = 666.

It is not a de Polignac number, because 389161185255 - 2¹⁶ = 389161119719 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 184905 + ... + 901394.

It is an arithmetic number, because the mean of its divisors is an integer number (14827995000).

Almost surely, 2^389161185255 is an apocalyptic number.

389161185255 is a deficient number, since it is larger than the sum of its proper divisors (322582574745).

389161185255 is a wasteful number, since it uses less digits than its factorization.

389161185255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1086748 (or 1086745 counting only the distinct ones).

The product of its digits is 2592000, while the sum is 54.

The spelling of 389161185255 in words is "three hundred eighty-nine billion, one hundred sixty-one million, one hundred eighty-five thousand, two hundred fifty-five".