1800839182156 has 36 divisors (see below), whose sum is σ = 3666881421000. Its totient is φ = 771601406016.

The previous prime is 1800839182147. The next prime is 1800839182159. The reversal of 1800839182156 is 6512819380081.

It is not an unprimeable number, because it can be changed into a prime (1800839182159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 298681 + ... + 1921168.

It is an arithmetic number, because the mean of its divisors is an integer number (101857817250).

Almost surely, 2^{1800839182156} is an apocalyptic number.

It is an amenable number.

1800839182156 is an abundant number, since it is smaller than the sum of its proper divisors (1866042238844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1800839182156 is a wasteful number, since it uses less digits than its factorization.

1800839182156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2224006 (or 2223997 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 52.

The spelling of 1800839182156 in words is "one trillion, eight hundred billion, eight hundred thirty-nine million, one hundred eighty-two thousand, one hundred fifty-six".