181150384007072 has 24 divisors (see below), whose sum is σ = 357227363558016. Its totient is φ = 90425974214592.

The previous prime is 181150384007071. The next prime is 181150384007077. The reversal of 181150384007072 is 270700483051181.

It is not an unprimeable number, because it can be changed into a prime (181150384007071) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4663036178 + ... + 4663075025.

It is an arithmetic number, because the mean of its divisors is an integer number (14884473481584).

Almost surely, 2^{181150384007072} is an apocalyptic number.

It is an amenable number.

181150384007072 is a deficient number, since it is larger than the sum of its proper divisors (176076979550944).

181150384007072 is an equidigital number, since it uses as much as digits as its factorization.

181150384007072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9326111820 (or 9326111812 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 47.

The spelling of 181150384007072 in words is "one hundred eighty-one trillion, one hundred fifty billion, three hundred eighty-four million, seven thousand, seventy-two".