18754212611 has 2 divisors, whose sum is σ = 18754212612. Its totient is φ = 18754212610.

The previous prime is 18754212601. The next prime is 18754212641. The reversal of 18754212611 is 11621245781.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18754212611 is a prime.

It is not a weakly prime, because it can be changed into another prime (18754212601) 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, 9377106305 + 9377106306.

It is an arithmetic number, because the mean of its divisors is an integer number (9377106306).

Almost surely, 2^18754212611 is an apocalyptic number.

18754212611 is a deficient number, since it is larger than the sum of its proper divisors (1).

18754212611 is an equidigital number, since it uses as much as digits as its factorization.

18754212611 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26880, while the sum is 38.

The spelling of 18754212611 in words is "eighteen billion, seven hundred fifty-four million, two hundred twelve thousand, six hundred eleven".