180920115126 has 96 divisors (see below), whose sum is σ = 422822080512. Its totient is φ = 55745807040.

The previous prime is 180920115113. The next prime is 180920115127. The reversal of 180920115126 is 621511029081.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180920115127) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9526176 + ... + 9545148.

It is an arithmetic number, because the mean of its divisors is an integer number (4404396672).

Almost surely, 2^180920115126 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 180920115126, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211411040256).

180920115126 is an abundant number, since it is smaller than the sum of its proper divisors (241901965386).

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

180920115126 is a wasteful number, since it uses less digits than its factorization.

180920115126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19778 (or 19775 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 36.

The spelling of 180920115126 in words is "one hundred eighty billion, nine hundred twenty million, one hundred fifteen thousand, one hundred twenty-six".