80815466211 has 4 divisors (see below), whose sum is σ = 107753954952. Its totient is φ = 53876977472.

The previous prime is 80815466209. The next prime is 80815466261. The reversal of 80815466211 is 11266451808.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 80815466211 - 2¹ = 80815466209 is a prime.

It is a super-2 number, since 2×80815466211² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (80815466261) 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 3 ways as a sum of consecutive naturals, for example, 13469244366 + ... + 13469244371.

It is an arithmetic number, because the mean of its divisors is an integer number (26938488738).

Almost surely, 2^80815466211 is an apocalyptic number.

80815466211 is a deficient number, since it is larger than the sum of its proper divisors (26938488741).

80815466211 is a wasteful number, since it uses less digits than its factorization.

80815466211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26938488740.

The product of its (nonzero) digits is 92160, while the sum is 42.

The spelling of 80815466211 in words is "eighty billion, eight hundred fifteen million, four hundred sixty-six thousand, two hundred eleven".