80849155711 has 4 divisors (see below), whose sum is σ = 83457193024. Its totient is φ = 78241118400.

The previous prime is 80849155703. The next prime is 80849155721. The reversal of 80849155711 is 11755194808.

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 80849155711 - 2³ = 80849155703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80849155721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1304018610 + ... + 1304018671.

It is an arithmetic number, because the mean of its divisors is an integer number (20864298256).

Almost surely, 2^80849155711 is an apocalyptic number.

80849155711 is a deficient number, since it is larger than the sum of its proper divisors (2608037313).

80849155711 is a wasteful number, since it uses less digits than its factorization.

80849155711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2608037312.

The product of its (nonzero) digits is 403200, while the sum is 49.

The spelling of 80849155711 in words is "eighty billion, eight hundred forty-nine million, one hundred fifty-five thousand, seven hundred eleven".