80681741571200 has 768 divisors, whose sum is σ = 250274222496000. Its totient is φ = 24967603814400.

The previous prime is 80681741571199. The next prime is 80681741571227. The reversal of 80681741571200 is 217514718608.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 20746138856 + ... + 20746142744.

It is an arithmetic number, because the mean of its divisors is an integer number (325877893875).

Almost surely, 2^{80681741571200} is an apocalyptic number.

80681741571200 is a gapful number since it is divisible by the number (80) 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 80681741571200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125137111248000).

80681741571200 is an abundant number, since it is smaller than the sum of its proper divisors (169592480924800).

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

80681741571200 is a wasteful number, since it uses less digits than its factorization.

80681741571200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4513 (or 4496 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 50.

The spelling of 80681741571200 in words is "eighty trillion, six hundred eighty-one billion, seven hundred forty-one million, five hundred seventy-one thousand, two hundred".