18041711 has 2 divisors, whose sum is σ = 18041712. Its totient is φ = 18041710.

The previous prime is 18041671. The next prime is 18041753. The reversal of 18041711 is 11714081.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18041711 is a prime.

It is a Chen prime.

It is equal to p_1153832 and since 18041711 and 1153832 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18041761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9020855 + 9020856.

It is an arithmetic number, because the mean of its divisors is an integer number (9020856).

Almost surely, 2^18041711 is an apocalyptic number.

18041711 is a deficient number, since it is larger than the sum of its proper divisors (1).

18041711 is an equidigital number, since it uses as much as digits as its factorization.

18041711 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 23.

The square root of 18041711 is about 4247.5535311518. The cubic root of 18041711 is about 262.2764161173.

Adding to 18041711 its reverse (11714081), we get a palindrome (29755792).

The spelling of 18041711 in words is "eighteen million, forty-one thousand, seven hundred eleven".