1105111513 has 6 divisors (see below), whose sum is σ = 1214709482.
Its totient is φ = 1004646720.
The previous prime is 1105111471. The next prime is 1105111519. The reversal of 1105111513 is 3151115011.
Adding to 1105111513 its reverse (3151115011), we get a palindrome (4256226524).
It can be written as a sum of positive squares in only one way, i.e., 1097729424 + 7382089 = 33132^2 + 2717^2
It is not a de Polignac number, because 1105111513 - 221 = 1103014361 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1105111519) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4566456 + ... + 4566697.
Almost surely, 21105111513 is an apocalyptic number.
It is an amenable number.
1105111513 is a deficient number, since it is larger than the sum of its proper divisors (109597969).
1105111513 is an equidigital number, since it uses as much as digits as its factorization.
1105111513 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9133175 (or 9133164 counting only the distinct ones).
The product of its (nonzero) digits is 75, while the sum is 19.
The square root of 1105111513 is about 33243.2175488475.
The cubic root of 1105111513 is about 1033.8765885606.
The spelling of 1105111513 in words is "one billion, one hundred five million, one hundred eleven thousand, five hundred thirteen".