1133644355 has 24 divisors (see below), whose sum is σ = 1443542352. Its totient is φ = 854403264.

The previous prime is 1133644319. The next prime is 1133644373. The reversal of 1133644355 is 5534463311.

It is not a de Polignac number, because 1133644355 - 2²⁸ = 865208899 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 174017 + ... + 180413.

It is an arithmetic number, because the mean of its divisors is an integer number (60147598).

Almost surely, 2^1133644355 is an apocalyptic number.

1133644355 is a deficient number, since it is larger than the sum of its proper divisors (309897997).

1133644355 is an equidigital number, since it uses as much as digits as its factorization.

1133644355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6515 (or 6492 counting only the distinct ones).

The product of its digits is 64800, while the sum is 35.

The square root of 1133644355 is about 33669.6355044126. The cubic root of 1133644355 is about 1042.6989669444.

The spelling of 1133644355 in words is "one billion, one hundred thirty-three million, six hundred forty-four thousand, three hundred fifty-five".