80145501312 has 128 divisors (see below), whose sum is σ = 221702238720. Its totient is φ = 25624166400.

The previous prime is 80145501311. The next prime is 80145501313. The reversal of 80145501312 is 21310554108.

It is an interprime number because it is at equal distance from previous prime (80145501311) and next prime (80145501313).

It is a tau number, because it is divible by the number of its divisors (128).

It is a self number, because there is not a number n which added to its sum of digits gives 80145501312.

It is not an unprimeable number, because it can be changed into a prime (80145501311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1315362 + ... + 1374942.

It is an arithmetic number, because the mean of its divisors is an integer number (1732048740).

Almost surely, 2^80145501312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80145501312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110851119360).

80145501312 is an abundant number, since it is smaller than the sum of its proper divisors (141556737408).

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

80145501312 is a wasteful number, since it uses less digits than its factorization.

80145501312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59742 (or 59730 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 30.

The spelling of 80145501312 in words is "eighty billion, one hundred forty-five million, five hundred one thousand, three hundred twelve".