18105751141 has 2 divisors, whose sum is σ = 18105751142. Its totient is φ = 18105751140.

The previous prime is 18105751129. The next prime is 18105751151. The reversal of 18105751141 is 14115750181.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16469872225 + 1635878916 = 128335^2 + 40446^2 .

It is a cyclic number.

It is not a de Polignac number, because 18105751141 - 2¹¹ = 18105749093 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18105751097 and 18105751106.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18105751151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9052875570 + 9052875571.

It is an arithmetic number, because the mean of its divisors is an integer number (9052875571).

Almost surely, 2^18105751141 is an apocalyptic number.

It is an amenable number.

18105751141 is a deficient number, since it is larger than the sum of its proper divisors (1).

18105751141 is an equidigital number, since it uses as much as digits as its factorization.

18105751141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5600, while the sum is 34.

It can be divided in two parts, 1810575 and 1141, that added together give a square (1811716 = 1346²).

The spelling of 18105751141 in words is "eighteen billion, one hundred five million, seven hundred fifty-one thousand, one hundred forty-one".