1117889523 has 12 divisors (see below), whose sum is σ = 1618464120. Its totient is φ = 743535936.

The previous prime is 1117889471. The next prime is 1117889527. The reversal of 1117889523 is 3259887111.

1117889523 is a `hidden beast` number, since 1 + 117 + 8 + 8 + 9 + 523 = 666.

It is not a de Polignac number, because 1117889523 - 2⁶ = 1117889459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1117889527) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 139533 + ... + 147326.

It is an arithmetic number, because the mean of its divisors is an integer number (134872010).

Almost surely, 2^1117889523 is an apocalyptic number.

1117889523 is a deficient number, since it is larger than the sum of its proper divisors (500574597).

1117889523 is a wasteful number, since it uses less digits than its factorization.

1117889523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287298 (or 287295 counting only the distinct ones).

The product of its digits is 120960, while the sum is 45.

The square root of 1117889523 is about 33434.8549122020. The cubic root of 1117889523 is about 1037.8461102565.

The spelling of 1117889523 in words is "one billion, one hundred seventeen million, eight hundred eighty-nine thousand, five hundred twenty-three".