180085455231 has 8 divisors (see below), whose sum is σ = 261942480384. Its totient is φ = 109142700120.

The previous prime is 180085455113. The next prime is 180085455247. The reversal of 180085455231 is 132554580081.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 180085455231 - 2⁷ = 180085455103 is a prime.

It is a super-2 number, since 2×180085455231² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180085456231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2728567471 + ... + 2728567536.

It is an arithmetic number, because the mean of its divisors is an integer number (32742810048).

Almost surely, 2^180085455231 is an apocalyptic number.

180085455231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

180085455231 is a deficient number, since it is larger than the sum of its proper divisors (81857025153).

180085455231 is a wasteful number, since it uses less digits than its factorization.

180085455231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5457135021.

The product of its (nonzero) digits is 192000, while the sum is 42.

The spelling of 180085455231 in words is "one hundred eighty billion, eighty-five million, four hundred fifty-five thousand, two hundred thirty-one".