80106538205 has 32 divisors (see below), whose sum is σ = 99067183488. Its totient is φ = 62145561600.

The previous prime is 80106538147. The next prime is 80106538217. The reversal of 80106538205 is 50283560108.

It is not a de Polignac number, because 80106538205 - 2¹⁴ = 80106521821 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 37589990 + ... + 37592120.

It is an arithmetic number, because the mean of its divisors is an integer number (3095849484).

Almost surely, 2^80106538205 is an apocalyptic number.

It is an amenable number.

80106538205 is a deficient number, since it is larger than the sum of its proper divisors (18960645283).

80106538205 is a wasteful number, since it uses less digits than its factorization.

80106538205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3197.

The product of its (nonzero) digits is 57600, while the sum is 38.

The spelling of 80106538205 in words is "eighty billion, one hundred six million, five hundred thirty-eight thousand, two hundred five".