113518113617 has 2 divisors, whose sum is σ = 113518113618. Its totient is φ = 113518113616.

The previous prime is 113518113571. The next prime is 113518113733. The reversal of 113518113617 is 716311815311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108220602961 + 5297510656 = 328969^2 + 72784^2 .

It is a cyclic number.

It is not a de Polignac number, because 113518113617 - 2¹² = 113518109521 is a prime.

It is not a weakly prime, because it can be changed into another prime (113518115617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56759056808 + 56759056809.

It is an arithmetic number, because the mean of its divisors is an integer number (56759056809).

Almost surely, 2^113518113617 is an apocalyptic number.

It is an amenable number.

113518113617 is a deficient number, since it is larger than the sum of its proper divisors (1).

113518113617 is an equidigital number, since it uses as much as digits as its factorization.

113518113617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15120, while the sum is 38.

Adding to 113518113617 its reverse (716311815311), we get a palindrome (829829928928).

The spelling of 113518113617 in words is "one hundred thirteen billion, five hundred eighteen million, one hundred thirteen thousand, six hundred seventeen".