80302630561 has 4 divisors (see below), whose sum is σ = 80653297300. Its totient is φ = 79951963824.

The previous prime is 80302630553. The next prime is 80302630589. The reversal of 80302630561 is 16503620308.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 57465678400 + 22836952161 = 239720^2 + 151119^2 .

It is a cyclic number.

It is not a de Polignac number, because 80302630561 - 2³ = 80302630553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80302631561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175333026 + ... + 175333483.

It is an arithmetic number, because the mean of its divisors is an integer number (20163324325).

Almost surely, 2^80302630561 is an apocalyptic number.

It is an amenable number.

80302630561 is a deficient number, since it is larger than the sum of its proper divisors (350666739).

80302630561 is a wasteful number, since it uses less digits than its factorization.

80302630561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350666738.

The product of its (nonzero) digits is 25920, while the sum is 34.

The spelling of 80302630561 in words is "eighty billion, three hundred two million, six hundred thirty thousand, five hundred sixty-one".