855548253185 has 16 divisors (see below), whose sum is σ = 1027419621120. Its totient is φ = 683930961600.

The previous prime is 855548253173. The next prime is 855548253223. The reversal of 855548253185 is 581352845558.

It is not a de Polignac number, because 855548253185 - 2⁸ = 855548252929 is a prime.

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, 72602804 + ... + 72614586.

It is an arithmetic number, because the mean of its divisors is an integer number (64213726320).

Almost surely, 2^855548253185 is an apocalyptic number.

It is an amenable number.

855548253185 is a deficient number, since it is larger than the sum of its proper divisors (171871367935).

855548253185 is a wasteful number, since it uses less digits than its factorization.

855548253185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21328.

The product of its digits is 38400000, while the sum is 59.

The spelling of 855548253185 in words is "eight hundred fifty-five billion, five hundred forty-eight million, two hundred fifty-three thousand, one hundred eighty-five".