80506145204 has 6 divisors (see below), whose sum is σ = 140885754114. Its totient is φ = 40253072600.

The previous prime is 80506145189. The next prime is 80506145207. The reversal of 80506145204 is 40254160508.

It can be written as a sum of positive squares in only one way, i.e., 78725136400 + 1781008804 = 280580^2 + 42202^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80506145207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10063268147 + ... + 10063268154.

It is an arithmetic number, because the mean of its divisors is an integer number (23480959019).

Almost surely, 2^80506145204 is an apocalyptic number.

It is an amenable number.

80506145204 is a deficient number, since it is larger than the sum of its proper divisors (60379608910).

80506145204 is a wasteful number, since it uses less digits than its factorization.

80506145204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20126536305 (or 20126536303 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 35.

The spelling of 80506145204 in words is "eighty billion, five hundred six million, one hundred forty-five thousand, two hundred four".