180711916889980 has 96 divisors (see below), whose sum is σ = 434906297280000. Its totient is φ = 61787312116992.

The previous prime is 180711916889957. The next prime is 180711916890119. The reversal of 180711916889980 is 89988619117081.

It is a junction number, because it is equal to n+sod(n) for n = 180711916889897 and 180711916889906.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 441095271 + ... + 441504769.

It is an arithmetic number, because the mean of its divisors is an integer number (4530273930000).

Almost surely, 2^{180711916889980} is an apocalyptic number.

180711916889980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

180711916889980 is an abundant number, since it is smaller than the sum of its proper divisors (254194380390020).

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

180711916889980 is a wasteful number, since it uses less digits than its factorization.

180711916889980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418211 (or 418209 counting only the distinct ones).

The product of its (nonzero) digits is 125411328, while the sum is 76.

The spelling of 180711916889980 in words is "one hundred eighty trillion, seven hundred eleven billion, nine hundred sixteen million, eight hundred eighty-nine thousand, nine hundred eighty".