80140704811 has 4 divisors (see below), whose sum is σ = 80195937624. Its totient is φ = 80085472000.

The previous prime is 80140704797. The next prime is 80140704869. The reversal of 80140704811 is 11840704108.

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 80140704811 - 2⁹ = 80140704299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80140705811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27614230 + ... + 27617131.

It is an arithmetic number, because the mean of its divisors is an integer number (20048984406).

Almost surely, 2^80140704811 is an apocalyptic number.

80140704811 is a deficient number, since it is larger than the sum of its proper divisors (55232813).

80140704811 is a wasteful number, since it uses less digits than its factorization.

80140704811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55232812.

The product of its (nonzero) digits is 7168, while the sum is 34.

The spelling of 80140704811 in words is "eighty billion, one hundred forty million, seven hundred four thousand, eight hundred eleven".