80221755051 has 32 divisors (see below), whose sum is σ = 119688253440. Its totient is φ = 53102952000.

The previous prime is 80221755013. The next prime is 80221755083. The reversal of 80221755051 is 15055712208.

80221755051 is a `hidden beast` number, since 80 + 2 + 2 + 1 + 75 + 505 + 1 = 666.

It is not a de Polignac number, because 80221755051 - 2⁹ = 80221754539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80221754997 and 80221755015.

It is not an unprimeable number, because it can be changed into a prime (80221755851) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16603206 + ... + 16608036.

It is an arithmetic number, because the mean of its divisors is an integer number (3740257920).

Almost surely, 2^80221755051 is an apocalyptic number.

80221755051 is a deficient number, since it is larger than the sum of its proper divisors (39466498389).

80221755051 is a wasteful number, since it uses less digits than its factorization.

80221755051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9064 (or 9058 counting only the distinct ones).

The product of its (nonzero) digits is 28000, while the sum is 36.

The spelling of 80221755051 in words is "eighty billion, two hundred twenty-one million, seven hundred fifty-five thousand, fifty-one".