144111011509 has 2 divisors, whose sum is σ = 144111011510. Its totient is φ = 144111011508.

The previous prime is 144111011477. The next prime is 144111011531. The reversal of 144111011509 is 905110111441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84829475025 + 59281536484 = 291255^2 + 243478^2 .

It is a cyclic number.

It is not a de Polignac number, because 144111011509 - 2⁵ = 144111011477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144111011549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72055505754 + 72055505755.

It is an arithmetic number, because the mean of its divisors is an integer number (72055505755).

Almost surely, 2^144111011509 is an apocalyptic number.

It is an amenable number.

144111011509 is a deficient number, since it is larger than the sum of its proper divisors (1).

144111011509 is an equidigital number, since it uses as much as digits as its factorization.

144111011509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 28.

The spelling of 144111011509 in words is "one hundred forty-four billion, one hundred eleven million, eleven thousand, five hundred nine".