1117828559 has 4 divisors (see below), whose sum is σ = 1143824616. Its totient is φ = 1091832504.

The previous prime is 1117828553. The next prime is 1117828567. The reversal of 1117828559 is 9558287111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1117828559 - 2⁸ = 1117828303 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 (1117828553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12997964 + ... + 12998049.

It is an arithmetic number, because the mean of its divisors is an integer number (285956154).

Almost surely, 2^1117828559 is an apocalyptic number.

1117828559 is a deficient number, since it is larger than the sum of its proper divisors (25996057).

1117828559 is an equidigital number, since it uses as much as digits as its factorization.

1117828559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25996056.

The product of its digits is 201600, while the sum is 47.

The square root of 1117828559 is about 33433.9432164380. The cubic root of 1117828559 is about 1037.8272436336.

The spelling of 1117828559 in words is "one billion, one hundred seventeen million, eight hundred twenty-eight thousand, five hundred fifty-nine".