80134880121 has 16 divisors (see below), whose sum is σ = 118817901120. Its totient is φ = 53378451360.

The previous prime is 80134880087. The next prime is 80134880159. The reversal of 80134880121 is 12108843108.

It is not a de Polignac number, because 80134880121 - 2²¹ = 80132782969 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (80134880621) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1211695 + ... + 1276116.

It is an arithmetic number, because the mean of its divisors is an integer number (7426118820).

Almost surely, 2^80134880121 is an apocalyptic number.

It is an amenable number.

80134880121 is a deficient number, since it is larger than the sum of its proper divisors (38683020999).

80134880121 is a wasteful number, since it uses less digits than its factorization.

80134880121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2489013 (or 2489007 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 36.

The spelling of 80134880121 in words is "eighty billion, one hundred thirty-four million, eight hundred eighty thousand, one hundred twenty-one".