180530221359 has 8 divisors (see below), whose sum is σ = 240711972912. Its totient is φ = 120350975360.

The previous prime is 180530221331. The next prime is 180530221387. The reversal of 180530221359 is 953122035081.

It is an interprime number because it is at equal distance from previous prime (180530221331) and next prime (180530221387).

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

It is a cyclic number.

It is not a de Polignac number, because 180530221359 - 2⁷ = 180530221231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180530221759) 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, 451272 + ... + 751469.

It is an arithmetic number, because the mean of its divisors is an integer number (30088996614).

Almost surely, 2^180530221359 is an apocalyptic number.

180530221359 is a deficient number, since it is larger than the sum of its proper divisors (60181751553).

180530221359 is a wasteful number, since it uses less digits than its factorization.

180530221359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1252777.

The product of its (nonzero) digits is 64800, while the sum is 39.

The spelling of 180530221359 in words is "one hundred eighty billion, five hundred thirty million, two hundred twenty-one thousand, three hundred fifty-nine".