2185505800876 has 48 divisors (see below), whose sum is σ = 3934925870400. Its totient is φ = 1061346924288.

The previous prime is 2185505800867. The next prime is 2185505800897. The reversal of 2185505800876 is 6780085055812.

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, 281742390 + ... + 281750146.

It is an arithmetic number, because the mean of its divisors is an integer number (81977622300).

Almost surely, 2^{2185505800876} is an apocalyptic number.

It is an amenable number.

2185505800876 is a deficient number, since it is larger than the sum of its proper divisors (1749420069524).

2185505800876 is a wasteful number, since it uses less digits than its factorization.

2185505800876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10906 (or 10904 counting only the distinct ones).

The product of its (nonzero) digits is 5376000, while the sum is 55.

The spelling of 2185505800876 in words is "two trillion, one hundred eighty-five billion, five hundred five million, eight hundred thousand, eight hundred seventy-six".