180873554812 has 6 divisors (see below), whose sum is σ = 316528720928. Its totient is φ = 90436777404.

The previous prime is 180873554791. The next prime is 180873554819. The reversal of 180873554812 is 218455378081.

It is a self number, because there is not a number n which added to its sum of digits gives 180873554812.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180873554819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22609194348 + ... + 22609194355.

Almost surely, 2^180873554812 is an apocalyptic number.

It is an amenable number.

180873554812 is a deficient number, since it is larger than the sum of its proper divisors (135655166116).

180873554812 is a wasteful number, since it uses less digits than its factorization.

180873554812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45218388707 (or 45218388705 counting only the distinct ones).

The product of its (nonzero) digits is 2150400, while the sum is 52.

The spelling of 180873554812 in words is "one hundred eighty billion, eight hundred seventy-three million, five hundred fifty-four thousand, eight hundred twelve".