11103053533 has 12 divisors (see below), whose sum is σ = 13142967964. Its totient is φ = 9317246400.

The previous prime is 11103053519. The next prime is 11103053567. The reversal of 11103053533 is 33535030111.

It can be written as a sum of positive squares in 2 ways, for example, as 2446984089 + 8656069444 = 49467^2 + 93038^2 .

It is not a de Polignac number, because 11103053533 - 2²⁹ = 10566182621 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11103053498 and 11103053507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11103053513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3527688 + ... + 3530833.

Almost surely, 2^11103053533 is an apocalyptic number.

11103053533 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11103053533 is a deficient number, since it is larger than the sum of its proper divisors (2039914431).

11103053533 is a wasteful number, since it uses less digits than its factorization.

11103053533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7058556 (or 7058545 counting only the distinct ones).

The product of its (nonzero) digits is 2025, while the sum is 25.

Adding to 11103053533 its reverse (33535030111), we get a palindrome (44638083644).

The spelling of 11103053533 in words is "eleven billion, one hundred three million, fifty-three thousand, five hundred thirty-three".