1133445541 has 4 divisors (see below), whose sum is σ = 1172529900. Its totient is φ = 1094361184.

The previous prime is 1133445517. The next prime is 1133445553. The reversal of 1133445541 is 1455443311.

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 670292100 + 463153441 = 25890^2 + 21521^2 .

It is a cyclic number.

It is not a de Polignac number, because 1133445541 - 2¹⁵ = 1133412773 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 (1133445571) 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 3 ways as a sum of consecutive naturals, for example, 19542136 + ... + 19542193.

It is an arithmetic number, because the mean of its divisors is an integer number (293132475).

Almost surely, 2^1133445541 is an apocalyptic number.

It is an amenable number.

1133445541 is a deficient number, since it is larger than the sum of its proper divisors (39084359).

1133445541 is an equidigital number, since it uses as much as digits as its factorization.

1133445541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39084358.

The product of its digits is 14400, while the sum is 31.

The square root of 1133445541 is about 33666.6829521413. The cubic root of 1133445541 is about 1042.6380085932.

Adding to 1133445541 its reverse (1455443311), we get a palindrome (2588888852).

The spelling of 1133445541 in words is "one billion, one hundred thirty-three million, four hundred forty-five thousand, five hundred forty-one".