1117589849 has 16 divisors (see below), whose sum is σ = 1235848320. Its totient is φ = 1006938240.

The previous prime is 1117589831. The next prime is 1117589903. The reversal of 1117589849 is 9489857111.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1117589849 - 2¹⁶ = 1117524313 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1117589849.

It is not an unprimeable number, because it can be changed into a prime (1117586849) 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 15 ways as a sum of consecutive naturals, for example, 6914 + ... + 47780.

It is an arithmetic number, because the mean of its divisors is an integer number (77240520).

Almost surely, 2^1117589849 is an apocalyptic number.

It is an amenable number.

1117589849 is a deficient number, since it is larger than the sum of its proper divisors (118258471).

1117589849 is a wasteful number, since it uses less digits than its factorization.

1117589849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40960.

The product of its digits is 725760, while the sum is 53.

The square root of 1117589849 is about 33430.3731507741. The cubic root of 1117589849 is about 1037.7533630800.

The spelling of 1117589849 in words is "one billion, one hundred seventeen million, five hundred eighty-nine thousand, eight hundred forty-nine".