855551414385 has 12 divisors (see below), whose sum is σ = 1482955785012. Its totient is φ = 456294087648.

The previous prime is 855551414369. The next prime is 855551414387. The reversal of 855551414385 is 583414155558.

855551414385 is a `hidden beast` number, since 8 + 5 + 5 + 5 + 514 + 1 + 43 + 85 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 425584007424 + 429967406961 = 652368^2 + 655719^2 .

It is not a de Polignac number, because 855551414385 - 2⁴ = 855551414369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (855551414387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9506126782 + ... + 9506126871.

It is an arithmetic number, because the mean of its divisors is an integer number (123579648751).

Almost surely, 2^855551414385 is an apocalyptic number.

It is an amenable number.

855551414385 is a deficient number, since it is larger than the sum of its proper divisors (627404370627).

855551414385 is a wasteful number, since it uses less digits than its factorization.

855551414385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19012253664 (or 19012253661 counting only the distinct ones).

The product of its digits is 9600000, while the sum is 54.

The spelling of 855551414385 in words is "eight hundred fifty-five billion, five hundred fifty-one million, four hundred fourteen thousand, three hundred eighty-five".