80180144721 has 12 divisors (see below), whose sum is σ = 116940190848. Its totient is φ = 52934463864.

The previous prime is 80180144713. The next prime is 80180144749. The reversal of 80180144721 is 12744108108.

80180144721 is a `hidden beast` number, since 8 + 0 + 180 + 1 + 4 + 472 + 1 = 666.

It is not a de Polignac number, because 80180144721 - 2³ = 80180144713 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (80180144771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43246185 + ... + 43248038.

It is an arithmetic number, because the mean of its divisors is an integer number (9745015904).

Almost surely, 2^80180144721 is an apocalyptic number.

It is an amenable number.

80180144721 is a deficient number, since it is larger than the sum of its proper divisors (36760046127).

80180144721 is a wasteful number, since it uses less digits than its factorization.

80180144721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86494332 (or 86494329 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 36.

The spelling of 80180144721 in words is "eighty billion, one hundred eighty million, one hundred forty-four thousand, seven hundred twenty-one".