80511714011 has 4 divisors (see below), whose sum is σ = 80520276672. Its totient is φ = 80503151352.

The previous prime is 80511714007. The next prime is 80511714037. The reversal of 80511714011 is 11041711508.

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 80511714011 - 2² = 80511714007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80511714001) 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, 4267211 + ... + 4286036.

It is an arithmetic number, because the mean of its divisors is an integer number (20130069168).

Almost surely, 2^80511714011 is an apocalyptic number.

80511714011 is a deficient number, since it is larger than the sum of its proper divisors (8562661).

80511714011 is an equidigital number, since it uses as much as digits as its factorization.

80511714011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8562660.

The product of its (nonzero) digits is 1120, while the sum is 29.

The spelling of 80511714011 in words is "eighty billion, five hundred eleven million, seven hundred fourteen thousand, eleven".