1103533409 has 16 divisors (see below), whose sum is σ = 1237904640. Its totient is φ = 975024000.

The previous prime is 1103533391. The next prime is 1103533411. The reversal of 1103533409 is 9043353011.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1103533409 is a prime.

It is a super-2 number, since 2×1103533409² = 2435571969558322562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1103536409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117707 + ... + 126735.

It is an arithmetic number, because the mean of its divisors is an integer number (77369040).

Almost surely, 2^1103533409 is an apocalyptic number.

It is an amenable number.

1103533409 is a deficient number, since it is larger than the sum of its proper divisors (134371231).

1103533409 is a wasteful number, since it uses less digits than its factorization.

1103533409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9352.

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 1103533409 is about 33219.4733401961. The cubic root of 1103533409 is about 1033.3842273812.

It can be divided in two parts, 11035 and 33409, that added together give a palindrome (44444).

The spelling of 1103533409 in words is "one billion, one hundred three million, five hundred thirty-three thousand, four hundred nine".