1133445503 has 4 divisors (see below), whose sum is σ = 1133519640. Its totient is φ = 1133371368.

The previous prime is 1133445493. The next prime is 1133445517. The reversal of 1133445503 is 3055443311.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3055443311 = 811 ⋅3767501.

It is a cyclic number.

It is not a de Polignac number, because 1133445503 - 2¹⁰ = 1133444479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133445553) 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, 4733 + ... + 47846.

It is an arithmetic number, because the mean of its divisors is an integer number (283379910).

Almost surely, 2^1133445503 is an apocalyptic number.

1133445503 is a deficient number, since it is larger than the sum of its proper divisors (74137).

1133445503 is an equidigital number, since it uses as much as digits as its factorization.

1133445503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74136.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 1133445503 is about 33666.6823877851. The cubic root of 1133445503 is about 1042.6379969413.

Adding to 1133445503 its reverse (3055443311), we get a palindrome (4188888814).

The spelling of 1133445503 in words is "one billion, one hundred thirty-three million, four hundred forty-five thousand, five hundred three".