1105111113 has 4 divisors (see below), whose sum is σ = 1473481488. Its totient is φ = 736740740.

The previous prime is 1105111103. The next prime is 1105111121. The reversal of 1105111113 is 3111115011.

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.

It is a cyclic number.

It is not a de Polignac number, because 1105111113 - 2¹⁴ = 1105094729 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1105111092 and 1105111101.

It is not an unprimeable number, because it can be changed into a prime (1105111103) 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, 184185183 + ... + 184185188.

It is an arithmetic number, because the mean of its divisors is an integer number (368370372).

Almost surely, 2^1105111113 is an apocalyptic number.

It is an amenable number.

1105111113 is a deficient number, since it is larger than the sum of its proper divisors (368370375).

1105111113 is an equidigital number, since it uses as much as digits as its factorization.

1105111113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368370374.

The product of its (nonzero) digits is 15, while the sum is 15.

The square root of 1105111113 is about 33243.2115325821. The cubic root of 1105111113 is about 1033.8764638218.

Adding to 1105111113 its reverse (3111115011), we get a palindrome (4216226124).

The spelling of 1105111113 in words is "one billion, one hundred five million, one hundred eleven thousand, one hundred thirteen".