1103105613 has 8 divisors (see below), whose sum is σ = 1471420768. Its totient is φ = 735097104.

The previous prime is 1103105611. The next prime is 1103105623. The reversal of 1103105613 is 3165013011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1103105613 - 2¹ = 1103105611 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1103105613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103105611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68131 + ... + 82752.

It is an arithmetic number, because the mean of its divisors is an integer number (183927596).

Almost surely, 2^1103105613 is an apocalyptic number.

It is an amenable number.

1103105613 is a deficient number, since it is larger than the sum of its proper divisors (368315155).

1103105613 is a wasteful number, since it uses less digits than its factorization.

1103105613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153323.

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 1103105613 is about 33213.0337819357. The cubic root of 1103105613 is about 1033.2506761378.

Adding to 1103105613 its reverse (3165013011), we get a palindrome (4268118624).

The spelling of 1103105613 in words is "one billion, one hundred three million, one hundred five thousand, six hundred thirteen".