80228540181 has 16 divisors (see below), whose sum is σ = 113838778944. Its totient is φ = 50083939584.

The previous prime is 80228540167. The next prime is 80228540201. The reversal of 80228540181 is 18104582208.

It is not a de Polignac number, because 80228540181 - 2⁵ = 80228540149 is a prime.

It is a super-2 number, since 2×80228540181² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80228540681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3982615 + ... + 4002708.

It is an arithmetic number, because the mean of its divisors is an integer number (7114923684).

Almost surely, 2^80228540181 is an apocalyptic number.

It is an amenable number.

80228540181 is a deficient number, since it is larger than the sum of its proper divisors (33610238763).

80228540181 is a wasteful number, since it uses less digits than its factorization.

80228540181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7985540.

The product of its (nonzero) digits is 40960, while the sum is 39.

The spelling of 80228540181 in words is "eighty billion, two hundred twenty-eight million, five hundred forty thousand, one hundred eighty-one".