181072424332801 has 4 divisors (see below), whose sum is σ = 181111172983812. Its totient is φ = 181033675681792.

The previous prime is 181072424332769. The next prime is 181072424332931. The reversal of 181072424332801 is 108233424270181.

181072424332801 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 124938764115201 + 56133660217600 = 11177601^2 + 7492240^2 .

It is a cyclic number.

It is not a de Polignac number, because 181072424332801 - 2⁵ = 181072424332769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (181072424332201) 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, 19374318496 + ... + 19374327841.

It is an arithmetic number, because the mean of its divisors is an integer number (45277793245953).

Almost surely, 2^{181072424332801} is an apocalyptic number.

It is an amenable number.

181072424332801 is a deficient number, since it is larger than the sum of its proper divisors (38748651011).

181072424332801 is an equidigital number, since it uses as much as digits as its factorization.

181072424332801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38748651010.

The product of its (nonzero) digits is 516096, while the sum is 46.

The spelling of 181072424332801 in words is "one hundred eighty-one trillion, seventy-two billion, four hundred twenty-four million, three hundred thirty-two thousand, eight hundred one".