80536750051 has 4 divisors (see below), whose sum is σ = 81857024704. Its totient is φ = 79216475400.

The previous prime is 80536750043. The next prime is 80536750081. The reversal of 80536750051 is 15005763508.

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 80536750051 - 2³ = 80536750043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80536749986 and 80536750013.

It is not an unprimeable number, because it can be changed into a prime (80536750081) 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, 660137235 + ... + 660137356.

It is an arithmetic number, because the mean of its divisors is an integer number (20464256176).

Almost surely, 2^80536750051 is an apocalyptic number.

80536750051 is a deficient number, since it is larger than the sum of its proper divisors (1320274653).

80536750051 is a wasteful number, since it uses less digits than its factorization.

80536750051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1320274652.

The product of its (nonzero) digits is 126000, while the sum is 40.

The spelling of 80536750051 in words is "eighty billion, five hundred thirty-six million, seven hundred fifty thousand, fifty-one".