11103453133 has 4 divisors (see below), whose sum is σ = 11217921820. Its totient is φ = 10988984448.

The previous prime is 11103453131. The next prime is 11103453143. The reversal of 11103453133 is 33135430111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6326293444 + 4777159689 = 79538^2 + 69117^2 .

It is a cyclic number.

It is not a de Polignac number, because 11103453133 - 2¹ = 11103453131 is a prime.

It is a super-3 number, since 3×11103453133³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11103453098 and 11103453107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11103453131) 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, 57234198 + ... + 57234391.

It is an arithmetic number, because the mean of its divisors is an integer number (2804480455).

Almost surely, 2^11103453133 is an apocalyptic number.

It is an amenable number.

11103453133 is a deficient number, since it is larger than the sum of its proper divisors (114468687).

11103453133 is an equidigital number, since it uses as much as digits as its factorization.

11103453133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114468686.

The product of its (nonzero) digits is 1620, while the sum is 25.

Adding to 11103453133 its reverse (33135430111), we get a palindrome (44238883244).

The spelling of 11103453133 in words is "eleven billion, one hundred three million, four hundred fifty-three thousand, one hundred thirty-three".