80411801185 has 4 divisors (see below), whose sum is σ = 96494161428. Its totient is φ = 64329440944.

The previous prime is 80411801161. The next prime is 80411801207. The reversal of 80411801185 is 58110811408.

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

It can be written as a sum of positive squares in 2 ways, for example, as 32454743104 + 47957058081 = 180152^2 + 218991^2 .

It is a cyclic number.

It is not a de Polignac number, because 80411801185 - 2¹⁷ = 80411670113 is a prime.

It is a Duffinian 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 3 ways as a sum of consecutive naturals, for example, 8041180114 + ... + 8041180123.

It is an arithmetic number, because the mean of its divisors is an integer number (24123540357).

Almost surely, 2^80411801185 is an apocalyptic number.

It is an amenable number.

80411801185 is a deficient number, since it is larger than the sum of its proper divisors (16082360243).

80411801185 is a wasteful number, since it uses less digits than its factorization.

80411801185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16082360242.

The product of its (nonzero) digits is 10240, while the sum is 37.

The spelling of 80411801185 in words is "eighty billion, four hundred eleven million, eight hundred one thousand, one hundred eighty-five".