80000500001 has 2 divisors, whose sum is σ = 80000500002. Its totient is φ = 80000500000.

The previous prime is 80000499973. The next prime is 80000500067. The reversal of 80000500001 is 10000500008.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77317363600 + 2683136401 = 278060^2 + 51799^2 .

It is a cyclic number.

It is not a de Polignac number, because 80000500001 - 2²⁶ = 79933391137 is a prime.

It is not a weakly prime, because it can be changed into another prime (80000500301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40000250000 + 40000250001.

It is an arithmetic number, because the mean of its divisors is an integer number (40000250001).

Almost surely, 2^80000500001 is an apocalyptic number.

It is an amenable number.

80000500001 is a deficient number, since it is larger than the sum of its proper divisors (1).

80000500001 is an equidigital number, since it uses as much as digits as its factorization.

80000500001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40, while the sum is 14.

The spelling of 80000500001 in words is "eighty billion, five hundred thousand, one".