18752261141 has 2 divisors, whose sum is σ = 18752261142. Its totient is φ = 18752261140.

The previous prime is 18752261093. The next prime is 18752261149. The reversal of 18752261141 is 14116225781.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13210054225 + 5542206916 = 114935^2 + 74446^2 .

It is a cyclic number.

It is not a de Polignac number, because 18752261141 - 2¹⁸ = 18751998997 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 18752261095 and 18752261104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18752261149) 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, 9376130570 + 9376130571.

It is an arithmetic number, because the mean of its divisors is an integer number (9376130571).

Almost surely, 2^18752261141 is an apocalyptic number.

It is an amenable number.

18752261141 is a deficient number, since it is larger than the sum of its proper divisors (1).

18752261141 is an equidigital number, since it uses as much as digits as its factorization.

18752261141 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 18752261141 in words is "eighteen billion, seven hundred fifty-two million, two hundred sixty-one thousand, one hundred forty-one".