1113505245 has 16 divisors (see below), whose sum is σ = 1979565120. Its totient is φ = 593869392.

The previous prime is 1113505243. The next prime is 1113505259. The reversal of 1113505245 is 5425053111.

1113505245 is a `hidden beast` number, since 1 + 1 + 135 + 0 + 524 + 5 = 666.

1113505245 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1113505245 - 2¹ = 1113505243 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113505243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4123959 + ... + 4124228.

It is an arithmetic number, because the mean of its divisors is an integer number (123722820).

Almost surely, 2^1113505245 is an apocalyptic number.

1113505245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1113505245 is a deficient number, since it is larger than the sum of its proper divisors (866059875).

1113505245 is an equidigital number, since it uses as much as digits as its factorization.

1113505245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8248201 (or 8248195 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 1113505245 is about 33369.2260173951. The cubic root of 1113505245 is about 1036.4875480460.

Adding to 1113505245 its reverse (5425053111), we get a palindrome (6538558356).

The spelling of 1113505245 in words is "one billion, one hundred thirteen million, five hundred five thousand, two hundred forty-five".