80838051811 has 8 divisors (see below), whose sum is σ = 88881352704. Its totient is φ = 72910482120.

The previous prime is 80838051781. The next prime is 80838051817. The reversal of 80838051811 is 11815083808.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 80838051811 - 2⁵ = 80838051779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80838051817) 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 7 ways as a sum of consecutive naturals, for example, 28931335 + ... + 28934128.

It is an arithmetic number, because the mean of its divisors is an integer number (11110169088).

Almost surely, 2^80838051811 is an apocalyptic number.

80838051811 is a deficient number, since it is larger than the sum of its proper divisors (8043300893).

80838051811 is a wasteful number, since it uses less digits than its factorization.

80838051811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57865601.

The product of its (nonzero) digits is 61440, while the sum is 43.

The spelling of 80838051811 in words is "eighty billion, eight hundred thirty-eight million, fifty-one thousand, eight hundred eleven".