113518656709 has 2 divisors, whose sum is σ = 113518656710. Its totient is φ = 113518656708.

The previous prime is 113518656683. The next prime is 113518656761. The reversal of 113518656709 is 907656815311.

It is an a-pointer prime, because the next prime (113518656761) can be obtained adding 113518656709 to its sum of digits (52).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72305596609 + 41213060100 = 268897^2 + 203010^2 .

It is an emirp because it is prime and its reverse (907656815311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 113518656709 - 2¹³ = 113518648517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113518656409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56759328354 + 56759328355.

It is an arithmetic number, because the mean of its divisors is an integer number (56759328355).

Almost surely, 2^113518656709 is an apocalyptic number.

It is an amenable number.

113518656709 is a deficient number, since it is larger than the sum of its proper divisors (1).

113518656709 is an equidigital number, since it uses as much as digits as its factorization.

113518656709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1360800, while the sum is 52.

The spelling of 113518656709 in words is "one hundred thirteen billion, five hundred eighteen million, six hundred fifty-six thousand, seven hundred nine".