1133445533 has 32 divisors (see below), whose sum is σ = 1295481600. Its totient is φ = 982720000.

The previous prime is 1133445517. The next prime is 1133445553. The reversal of 1133445533 is 3355443311.

It is a cyclic number.

It is not a de Polignac number, because 1133445533 - 2⁴ = 1133445517 is a prime.

It is a Duffinian number.

It is a zygodrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 1133445533.

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 31 ways as a sum of consecutive naturals, for example, 6787016 + ... + 6787182.

It is an arithmetic number, because the mean of its divisors is an integer number (40483800).

Almost surely, 2^1133445533 is an apocalyptic number.

It is an amenable number.

1133445533 is a deficient number, since it is larger than the sum of its proper divisors (162036067).

1133445533 is a wasteful number, since it uses less digits than its factorization.

1133445533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469.

The product of its digits is 32400, while the sum is 32.

The square root of 1133445533 is about 33666.6828333295. The cubic root of 1133445533 is about 1042.6380061402.

Adding to 1133445533 its reverse (3355443311), we get a palindrome (4488888844).

The spelling of 1133445533 in words is "one billion, one hundred thirty-three million, four hundred forty-five thousand, five hundred thirty-three".