111160615613 has 2 divisors, whose sum is σ = 111160615614. Its totient is φ = 111160615612.

The previous prime is 111160615537. The next prime is 111160615619. The reversal of 111160615613 is 316516061111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64626791524 + 46533824089 = 254218^2 + 215717^2 .

It is an emirp because it is prime and its reverse (316516061111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111160615613 - 2¹⁴ = 111160599229 is a prime.

It is a super-2 number, since 2×111160615613² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 111160615613.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111160615619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55580307806 + 55580307807.

It is an arithmetic number, because the mean of its divisors is an integer number (55580307807).

Almost surely, 2^111160615613 is an apocalyptic number.

It is an amenable number.

111160615613 is a deficient number, since it is larger than the sum of its proper divisors (1).

111160615613 is an equidigital number, since it uses as much as digits as its factorization.

111160615613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 32.

Adding to 111160615613 its reverse (316516061111), we get a palindrome (427676676724).

The spelling of 111160615613 in words is "one hundred eleven billion, one hundred sixty million, six hundred fifteen thousand, six hundred thirteen".