180679111020 has 144 divisors (see below), whose sum is σ = 565985242368. Its totient is φ = 46606602240.

The previous prime is 180679111009. The next prime is 180679111033. The reversal of 180679111020 is 20111976081.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16159672 + ... + 16170848.

It is an arithmetic number, because the mean of its divisors is an integer number (3930453072).

Almost surely, 2^180679111020 is an apocalyptic number.

180679111020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 180679111020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (282992621184).

180679111020 is an abundant number, since it is smaller than the sum of its proper divisors (385306131348).

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

180679111020 is a wasteful number, since it uses less digits than its factorization.

180679111020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14120 (or 14115 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 36.

The spelling of 180679111020 in words is "one hundred eighty billion, six hundred seventy-nine million, one hundred eleven thousand, twenty".