1113200505 has 24 divisors (see below), whose sum is σ = 1940714568. Its totient is φ = 590270976.

The previous prime is 1113200441. The next prime is 1113200507. The reversal of 1113200505 is 5050023111.

It can be written as a sum of positive squares in 4 ways, for example, as 486599481 + 626601024 = 22059^2 + 25032^2 .

It is not a de Polignac number, because 1113200505 - 2⁶ = 1113200441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1113200507) 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, 63712 + ... + 79281.

It is an arithmetic number, because the mean of its divisors is an integer number (80863107).

Almost surely, 2^1113200505 is an apocalyptic number.

1113200505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1113200505 is a deficient number, since it is larger than the sum of its proper divisors (827514063).

1113200505 is a wasteful number, since it uses less digits than its factorization.

1113200505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143177 (or 143174 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 1113200505 is about 33364.6595217155. The cubic root of 1113200505 is about 1036.3929853919.

Adding to 1113200505 its reverse (5050023111), we get a palindrome (6163223616).

The spelling of 1113200505 in words is "one billion, one hundred thirteen million, two hundred thousand, five hundred five".