80129594881 has 16 divisors (see below), whose sum is σ = 96409456000. Its totient is φ = 65058899328.

The previous prime is 80129594869. The next prime is 80129594887. The reversal of 80129594881 is 18849592108.

It is a cyclic number.

It is not a de Polignac number, because 80129594881 - 2²⁵ = 80096040449 is a prime.

It is a super-2 number, since 2×80129594881² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80129594887) 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, 1066645 + ... + 1139293.

It is an arithmetic number, because the mean of its divisors is an integer number (6025591000).

Almost surely, 2^80129594881 is an apocalyptic number.

It is an amenable number.

80129594881 is a deficient number, since it is larger than the sum of its proper divisors (16279861119).

80129594881 is a wasteful number, since it uses less digits than its factorization.

80129594881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80968.

The product of its (nonzero) digits is 1658880, while the sum is 55.

The spelling of 80129594881 in words is "eighty billion, one hundred twenty-nine million, five hundred ninety-four thousand, eight hundred eighty-one".