80065545120 has 1152 divisors, whose sum is σ = 327159060480. Its totient is φ = 18475776000.

The previous prime is 80065545107. The next prime is 80065545149. The reversal of 80065545120 is 2154556008.

80065545120 is a `hidden beast` number, since 80 + 0 + 6 + 554 + 5 + 1 + 20 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1312549890 + ... + 1312549950.

It is an arithmetic number, because the mean of its divisors is an integer number (283992240).

Almost surely, 2^80065545120 is an apocalyptic number.

80065545120 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 80065545120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163579530240).

80065545120 is an abundant number, since it is smaller than the sum of its proper divisors (247093515360).

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

80065545120 is a wasteful number, since it uses less digits than its factorization.

80065545120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150 (or 113 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

The spelling of 80065545120 in words is "eighty billion, sixty-five million, five hundred forty-five thousand, one hundred twenty".