1240324511117 has 2 divisors, whose sum is σ = 1240324511118. Its totient is φ = 1240324511116.

The previous prime is 1240324510987. The next prime is 1240324511123. The reversal of 1240324511117 is 7111154230421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1065294401161 + 175030109956 = 1032131^2 + 418366^2 .

It is an emirp because it is prime and its reverse (7111154230421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1240324511117 - 2⁸ = 1240324510861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1240324511177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620162255558 + 620162255559.

It is an arithmetic number, because the mean of its divisors is an integer number (620162255559).

Almost surely, 2^{1240324511117} is an apocalyptic number.

It is an amenable number.

1240324511117 is a deficient number, since it is larger than the sum of its proper divisors (1).

1240324511117 is an equidigital number, since it uses as much as digits as its factorization.

1240324511117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 32.

Adding to 1240324511117 its reverse (7111154230421), we get a palindrome (8351478741538).

The spelling of 1240324511117 in words is "one trillion, two hundred forty billion, three hundred twenty-four million, five hundred eleven thousand, one hundred seventeen".