1117845135 has 24 divisors (see below), whose sum is σ = 2113744464. Its totient is φ = 541985280.

The previous prime is 1117845121. The next prime is 1117845137. The reversal of 1117845135 is 5315487111.

It is a happy number.

1117845135 is a `hidden beast` number, since 1 + 1 + 178 + 451 + 35 = 666.

It is not a de Polignac number, because 1117845135 - 2⁴ = 1117845119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1117845135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1117845137) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1128642 + ... + 1129631.

It is an arithmetic number, because the mean of its divisors is an integer number (88072686).

Almost surely, 2^1117845135 is an apocalyptic number.

1117845135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1117845135 is a deficient number, since it is larger than the sum of its proper divisors (995899329).

1117845135 is a wasteful number, since it uses less digits than its factorization.

1117845135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2258295 (or 2258292 counting only the distinct ones).

The product of its digits is 16800, while the sum is 36.

The square root of 1117845135 is about 33434.1911073081. The cubic root of 1117845135 is about 1037.8323735017.

The spelling of 1117845135 in words is "one billion, one hundred seventeen million, eight hundred forty-five thousand, one hundred thirty-five".