115602311111 has 16 divisors (see below), whose sum is σ = 134852270400. Its totient is φ = 99058972320.

The previous prime is 115602311089. The next prime is 115602311131. The reversal of 115602311111 is 111113206511.

It is a de Polignac number, because none of the positive numbers 2^k-115602311111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115602311131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1181225 + ... + 1275341.

It is an arithmetic number, because the mean of its divisors is an integer number (8428266900).

Almost surely, 2^115602311111 is an apocalyptic number.

115602311111 is a deficient number, since it is larger than the sum of its proper divisors (19249959289).

115602311111 is an frugal number, since it uses more digits than its factorization.

115602311111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97719 (or 97705 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 23.

Adding to 115602311111 its reverse (111113206511), we get a palindrome (226715517622).

The spelling of 115602311111 in words is "one hundred fifteen billion, six hundred two million, three hundred eleven thousand, one hundred eleven".