180550138948 has 12 divisors (see below), whose sum is σ = 332592361360. Its totient is φ = 85523749992.

The previous prime is 180550138907. The next prime is 180550138949. The reversal of 180550138948 is 849831055081.

It is a junction number, because it is equal to n+sod(n) for n = 180550138895 and 180550138904.

It is not an unprimeable number, because it can be changed into a prime (180550138949) 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, 1187829786 + ... + 1187829937.

Almost surely, 2^180550138948 is an apocalyptic number.

It is an amenable number.

180550138948 is a deficient number, since it is larger than the sum of its proper divisors (152042222412).

180550138948 is a wasteful number, since it uses less digits than its factorization.

180550138948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2375659746 (or 2375659744 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 52.

The spelling of 180550138948 in words is "one hundred eighty billion, five hundred fifty million, one hundred thirty-eight thousand, nine hundred forty-eight".