80512751751 has 4 divisors (see below), whose sum is σ = 107350335672. Its totient is φ = 53675167832.

The previous prime is 80512751743. The next prime is 80512751777. The reversal of 80512751751 is 15715721508.

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 80512751751 - 2³ = 80512751743 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80512751701) 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, 13418791956 + ... + 13418791961.

It is an arithmetic number, because the mean of its divisors is an integer number (26837583918).

Almost surely, 2^80512751751 is an apocalyptic number.

80512751751 is a deficient number, since it is larger than the sum of its proper divisors (26837583921).

80512751751 is a wasteful number, since it uses less digits than its factorization.

80512751751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26837583920.

The product of its (nonzero) digits is 98000, while the sum is 42.

The spelling of 80512751751 in words is "eighty billion, five hundred twelve million, seven hundred fifty-one thousand, seven hundred fifty-one".