2185185503705 has 16 divisors (see below), whose sum is σ = 2638573147584. Its totient is φ = 1737250182720.

The previous prime is 2185185503693. The next prime is 2185185503713. The reversal of 2185185503705 is 5073055815812.

It is not a de Polignac number, because 2185185503705 - 2⁴⁰ = 1085673875929 is a prime.

It is a Duffinian number.

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, 8369435 + ... + 8626575.

It is an arithmetic number, because the mean of its divisors is an integer number (164910821724).

Almost surely, 2^{2185185503705} is an apocalyptic number.

It is an amenable number.

2185185503705 is a deficient number, since it is larger than the sum of its proper divisors (453387643879).

2185185503705 is a wasteful number, since it uses less digits than its factorization.

2185185503705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267736.

The product of its (nonzero) digits is 1680000, while the sum is 50.

The spelling of 2185185503705 in words is "two trillion, one hundred eighty-five billion, one hundred eighty-five million, five hundred three thousand, seven hundred five".