18980073611 has 2 divisors, whose sum is σ = 18980073612. Its totient is φ = 18980073610.

The previous prime is 18980073599. The next prime is 18980073643. The reversal of 18980073611 is 11637008981.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18980073611 - 2¹⁴ = 18980057227 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (18980073661) 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 as a sum of consecutive naturals, namely, 9490036805 + 9490036806.

It is an arithmetic number, because the mean of its divisors is an integer number (9490036806).

Almost surely, 2^18980073611 is an apocalyptic number.

18980073611 is a deficient number, since it is larger than the sum of its proper divisors (1).

18980073611 is an equidigital number, since it uses as much as digits as its factorization.

18980073611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 44.

The spelling of 18980073611 in words is "eighteen billion, nine hundred eighty million, seventy-three thousand, six hundred eleven".