1133505644 has 12 divisors (see below), whose sum is σ = 1984046064. Its totient is φ = 566635344.

The previous prime is 1133505631. The next prime is 1133505661. The reversal of 1133505644 is 4465053311.

It is a self number, because there is not a number n which added to its sum of digits gives 1133505644.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5507 + ... + 47930.

It is an arithmetic number, because the mean of its divisors is an integer number (165337172).

Almost surely, 2^1133505644 is an apocalyptic number.

It is an amenable number.

1133505644 is a deficient number, since it is larger than the sum of its proper divisors (850540420).

1133505644 is a wasteful number, since it uses less digits than its factorization.

1133505644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58744 (or 58742 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 1133505644 is about 33667.5755586885. The cubic root of 1133505644 is about 1042.6564375229.

Adding to 1133505644 its reverse (4465053311), we get a palindrome (5598558955).

The spelling of 1133505644 in words is "one billion, one hundred thirty-three million, five hundred five thousand, six hundred forty-four".