80000000000001 has 16 divisors (see below), whose sum is σ = 118548096547200. Its totient is φ = 53320023220464.

The previous prime is 79999999999993. The next prime is 80000000000027. The reversal of 80000000000001 is 10000000000008.

It is not a de Polignac number, because 80000000000001 - 2³ = 79999999999993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (80000000001001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 369615166 + ... + 369831543.

It is an arithmetic number, because the mean of its divisors is an integer number (7409256034200).

Almost surely, 2^{80000000000001} is an apocalyptic number.

It is an amenable number.

80000000000001 is a deficient number, since it is larger than the sum of its proper divisors (38548096547199).

80000000000001 is a wasteful number, since it uses less digits than its factorization.

80000000000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739450725 (or 739450719 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 80000000000001 its reverse (10000000000008), we get a palindrome (90000000000009).

The spelling of 80000000000001 in words is "eighty trillion, one", and thus it is an aban number and an uban number.