180053015389 has 8 divisors (see below), whose sum is σ = 193910154872. Its totient is φ = 166196862720.

The previous prime is 180053015353. The next prime is 180053015477. The reversal of 180053015389 is 983510350081.

It can be written as a sum of positive squares in 4 ways, for example, as 11895610489 + 168157404900 = 109067^2 + 410070^2 .

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 180053015389 - 2¹⁷ = 180052884317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180053015489) 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, 156697 + ... + 620209.

It is an arithmetic number, because the mean of its divisors is an integer number (24238769359).

Almost surely, 2^180053015389 is an apocalyptic number.

It is an amenable number.

180053015389 is a deficient number, since it is larger than the sum of its proper divisors (13857139483).

180053015389 is a wasteful number, since it uses less digits than its factorization.

180053015389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493407.

The product of its (nonzero) digits is 129600, while the sum is 43.

The spelling of 180053015389 in words is "one hundred eighty billion, fifty-three million, fifteen thousand, three hundred eighty-nine".