144811189511 has 2 divisors, whose sum is σ = 144811189512. Its totient is φ = 144811189510.

The previous prime is 144811189477. The next prime is 144811189531. The reversal of 144811189511 is 115981118441.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144811189511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144811189531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72405594755 + 72405594756.

It is an arithmetic number, because the mean of its divisors is an integer number (72405594756).

Almost surely, 2^144811189511 is an apocalyptic number.

144811189511 is a deficient number, since it is larger than the sum of its proper divisors (1).

144811189511 is an equidigital number, since it uses as much as digits as its factorization.

144811189511 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46080, while the sum is 44.

The spelling of 144811189511 in words is "one hundred forty-four billion, eight hundred eleven million, one hundred eighty-nine thousand, five hundred eleven".