111065430813 has 4 divisors (see below), whose sum is σ = 148087241088. Its totient is φ = 74043620540.

The previous prime is 111065430743. The next prime is 111065430841. The reversal of 111065430813 is 318034560111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 318034560111 = 3 ⋅106011520037.

It is a cyclic number.

It is not a de Polignac number, because 111065430813 - 2¹⁴ = 111065414429 is a prime.

It is a super-3 number, since 3×111065430813³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111065430313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18510905133 + ... + 18510905138.

It is an arithmetic number, because the mean of its divisors is an integer number (37021810272).

Almost surely, 2^111065430813 is an apocalyptic number.

It is an amenable number.

111065430813 is a deficient number, since it is larger than the sum of its proper divisors (37021810275).

111065430813 is an equidigital number, since it uses as much as digits as its factorization.

111065430813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37021810274.

The product of its (nonzero) digits is 8640, while the sum is 33.

Adding to 111065430813 its reverse (318034560111), we get a palindrome (429099990924).

The spelling of 111065430813 in words is "one hundred eleven billion, sixty-five million, four hundred thirty thousand, eight hundred thirteen".