3065145124221 has 6 divisors (see below), whose sum is σ = 4427431846110. Its totient is φ = 2043430082808.

The previous prime is 3065145124219. The next prime is 3065145124243. The reversal of 3065145124221 is 1224215415603.

3065145124221 is a `hidden beast` number, since 30 + 6 + 51 + 4 + 512 + 42 + 21 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2916789195321 + 148355928900 = 1707861^2 + 385170^2 .

It is not a de Polignac number, because 3065145124221 - 2¹ = 3065145124219 is a prime.

It is a super-2 number, since 2×3065145124221² (a number of 26 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3065145124271) 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 5 ways as a sum of consecutive naturals, for example, 170285840226 + ... + 170285840243.

It is an arithmetic number, because the mean of its divisors is an integer number (737905307685).

Almost surely, 2^{3065145124221} is an apocalyptic number.

It is an amenable number.

3065145124221 is a deficient number, since it is larger than the sum of its proper divisors (1362286721889).

3065145124221 is a wasteful number, since it uses less digits than its factorization.

3065145124221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340571680475 (or 340571680472 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The spelling of 3065145124221 in words is "three trillion, sixty-five billion, one hundred forty-five million, one hundred twenty-four thousand, two hundred twenty-one".