4065131012180 has 48 divisors (see below), whose sum is σ = 9827528449536. Its totient is φ = 1383585772800.

The previous prime is 4065131012177. The next prime is 4065131012197. The reversal of 4065131012180 is 812101315604.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105953996 + ... + 105992355.

It is an arithmetic number, because the mean of its divisors is an integer number (204740176032).

Almost surely, 2^{4065131012180} is an apocalyptic number.

It is an amenable number.

4065131012180 is an abundant number, since it is smaller than the sum of its proper divisors (5762397437356).

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

4065131012180 is a wasteful number, since it uses less digits than its factorization.

4065131012180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211946504 (or 211946502 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 32.

Adding to 4065131012180 its reverse (812101315604), we get a palindrome (4877232327784).

The spelling of 4065131012180 in words is "four trillion, sixty-five billion, one hundred thirty-one million, twelve thousand, one hundred eighty".