248144111 has 2 divisors, whose sum is σ = 248144112. Its totient is φ = 248144110.

The previous prime is 248144093. The next prime is 248144137. The reversal of 248144111 is 111441842.

It is an a-pointer prime, because the next prime (248144137) can be obtained adding 248144111 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-248144111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (248144011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124072055 + 124072056.

It is an arithmetic number, because the mean of its divisors is an integer number (124072056).

Almost surely, 2^248144111 is an apocalyptic number.

248144111 is a deficient number, since it is larger than the sum of its proper divisors (1).

248144111 is an equidigital number, since it uses as much as digits as its factorization.

248144111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1024, while the sum is 26.

The square root of 248144111 is about 15752.5906123406. The cubic root of 248144111 is about 628.3978024802.

Adding to 248144111 its reverse (111441842), we get a palindrome (359585953).

The spelling of 248144111 in words is "two hundred forty-eight million, one hundred forty-four thousand, one hundred eleven".