2185685560460 has 12 divisors (see below), whose sum is σ = 4589939677008. Its totient is φ = 874274224176.

The previous prime is 2185685560439. The next prime is 2185685560463. The reversal of 2185685560460 is 640655865812.

It is a junction number, because it is equal to n+sod(n) for n = 2185685560396 and 2185685560405.

It is not an unprimeable number, because it can be changed into a prime (2185685560463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54642138992 + ... + 54642139031.

It is an arithmetic number, because the mean of its divisors is an integer number (382494973084).

Almost surely, 2^{2185685560460} is an apocalyptic number.

2185685560460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2185685560460 is an abundant number, since it is smaller than the sum of its proper divisors (2404254116548).

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

2185685560460 is a wasteful number, since it uses less digits than its factorization.

2185685560460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109284278032 (or 109284278030 counting only the distinct ones).

The product of its (nonzero) digits is 13824000, while the sum is 56.

The spelling of 2185685560460 in words is "two trillion, one hundred eighty-five billion, six hundred eighty-five million, five hundred sixty thousand, four hundred sixty".