1103504545 has 32 divisors (see below), whose sum is σ = 1593696384. Its totient is φ = 722726400.

The previous prime is 1103504531. The next prime is 1103504581. The reversal of 1103504545 is 5454053011.

It is not a de Polignac number, because 1103504545 - 2¹¹ = 1103502497 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 10494 + ... + 48136.

It is an arithmetic number, because the mean of its divisors is an integer number (49803012).

Almost surely, 2^1103504545 is an apocalyptic number.

It is an amenable number.

1103504545 is a deficient number, since it is larger than the sum of its proper divisors (490191839).

1103504545 is a wasteful number, since it uses less digits than its factorization.

1103504545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37713.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 1103504545 is about 33219.0388933816. The cubic root of 1103504545 is about 1033.3752175762.

Adding to 1103504545 its reverse (5454053011), we get a palindrome (6557557556).

The spelling of 1103504545 in words is "one billion, one hundred three million, five hundred four thousand, five hundred forty-five".