80451295171 has 4 divisors (see below), whose sum is σ = 86639856352. Its totient is φ = 74262733992.

The previous prime is 80451295157. The next prime is 80451295181. The reversal of 80451295171 is 17159215408.

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 80451295171 - 2²¹ = 80449198019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80451295181) 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, 3094280571 + ... + 3094280596.

It is an arithmetic number, because the mean of its divisors is an integer number (21659964088).

Almost surely, 2^80451295171 is an apocalyptic number.

80451295171 is a deficient number, since it is larger than the sum of its proper divisors (6188561181).

80451295171 is a wasteful number, since it uses less digits than its factorization.

80451295171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6188561180.

The product of its (nonzero) digits is 100800, while the sum is 43.

The spelling of 80451295171 in words is "eighty billion, four hundred fifty-one million, two hundred ninety-five thousand, one hundred seventy-one".