2185235184852 has 48 divisors (see below), whose sum is σ = 5672325422400. Its totient is φ = 727524473760.

The previous prime is 2185235184833. The next prime is 2185235184857. The reversal of 2185235184852 is 2584815325812.

2185235184852 is a `hidden beast` number, since 2 + 1 + 85 + 2 + 3 + 518 + 48 + 5 + 2 = 666.

It is a super-2 number, since 2×2185235184852² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2185235184857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12233902 + ... + 12411237.

It is an arithmetic number, because the mean of its divisors is an integer number (118173446300).

Almost surely, 2^{2185235184852} is an apocalyptic number.

It is an amenable number.

2185235184852 is an abundant number, since it is smaller than the sum of its proper divisors (3487090237548).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2185235184852 is a wasteful number, since it uses less digits than its factorization.

2185235184852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24645973 (or 24645965 counting only the distinct ones).

The product of its digits is 6144000, while the sum is 54.

The spelling of 2185235184852 in words is "two trillion, one hundred eighty-five billion, two hundred thirty-five million, one hundred eighty-four thousand, eight hundred fifty-two".