12085547775055 has 32 divisors (see below), whose sum is σ = 15355086451200. Its totient is φ = 9106211486592.

The previous prime is 12085547775019. The next prime is 12085547775073. The reversal of 12085547775055 is 55057774558021.

It is not a de Polignac number, because 12085547775055 - 2²¹ = 12085545677903 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12085547774984 and 12085547775002.

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, 14451982 + ... + 15265348.

It is an arithmetic number, because the mean of its divisors is an integer number (479846451600).

Almost surely, 2^{12085547775055} is an apocalyptic number.

12085547775055 is a deficient number, since it is larger than the sum of its proper divisors (3269538676145).

12085547775055 is a wasteful number, since it uses less digits than its factorization.

12085547775055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814303.

The product of its (nonzero) digits is 68600000, while the sum is 61.

The spelling of 12085547775055 in words is "twelve trillion, eighty-five billion, five hundred forty-seven million, seven hundred seventy-five thousand, fifty-five".