80251702571 has 4 divisors (see below), whose sum is σ = 80255132832. Its totient is φ = 80248272312.

The previous prime is 80251702567. The next prime is 80251702577. The reversal of 80251702571 is 17520715208.

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 80251702571 - 2² = 80251702567 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80251702577) 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, 1679795 + ... + 1726908.

It is an arithmetic number, because the mean of its divisors is an integer number (20063783208).

Almost surely, 2^80251702571 is an apocalyptic number.

80251702571 is a deficient number, since it is larger than the sum of its proper divisors (3430261).

80251702571 is a wasteful number, since it uses less digits than its factorization.

80251702571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3430260.

The product of its (nonzero) digits is 39200, while the sum is 38.

The spelling of 80251702571 in words is "eighty billion, two hundred fifty-one million, seven hundred two thousand, five hundred seventy-one".