80132513538 has 144 divisors (see below), whose sum is σ = 208517400000. Its totient is φ = 20094856320.

The previous prime is 80132513519. The next prime is 80132513551. The reversal of 80132513538 is 83531523108.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 80132513496 and 80132513505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 4264588 + ... + 4283336.

It is an arithmetic number, because the mean of its divisors is an integer number (1448037500).

Almost surely, 2^80132513538 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80132513538, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104258700000).

80132513538 is an abundant number, since it is smaller than the sum of its proper divisors (128384886462).

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

80132513538 is a wasteful number, since it uses less digits than its factorization.

80132513538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18841 (or 18801 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 39.

The spelling of 80132513538 in words is "eighty billion, one hundred thirty-two million, five hundred thirteen thousand, five hundred thirty-eight".