180035383530081 has 4 divisors (see below), whose sum is σ = 240047178040112. Its totient is φ = 120023589020052.

The previous prime is 180035383529957. The next prime is 180035383530089.

It is a happy number.

180035383530081 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 180035383530081 - 2¹⁷ = 180035383399009 is a prime.

It is a super-2 number, since 2×180035383530081² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 180035383530081.

It is not an unprimeable number, because it can be changed into a prime (180035383530089) 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, 30005897255011 + ... + 30005897255016.

It is an arithmetic number, because the mean of its divisors is an integer number (60011794510028).

Almost surely, 2^{180035383530081} is an apocalyptic number.

It is an amenable number.

180035383530081 is a deficient number, since it is larger than the sum of its proper divisors (60011794510031).

180035383530081 is an equidigital number, since it uses as much as digits as its factorization.

180035383530081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60011794510030.

The product of its (nonzero) digits is 1036800, while the sum is 48.

The spelling of 180035383530081 in words is "one hundred eighty trillion, thirty-five billion, three hundred eighty-three million, five hundred thirty thousand, eighty-one".