18024148117 has 2 divisors, whose sum is σ = 18024148118. Its totient is φ = 18024148116.

The previous prime is 18024148091. The next prime is 18024148139. The reversal of 18024148117 is 71184142081.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10857848401 + 7166299716 = 104201^2 + 84654^2 .

It is a cyclic number.

It is not a de Polignac number, because 18024148117 - 2¹⁹ = 18023623829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18024148157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9012074058 + 9012074059.

It is an arithmetic number, because the mean of its divisors is an integer number (9012074059).

Almost surely, 2^18024148117 is an apocalyptic number.

It is an amenable number.

18024148117 is a deficient number, since it is larger than the sum of its proper divisors (1).

18024148117 is an equidigital number, since it uses as much as digits as its factorization.

18024148117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14336, while the sum is 37.

The spelling of 18024148117 in words is "eighteen billion, twenty-four million, one hundred forty-eight thousand, one hundred seventeen".