1113305005 has 16 divisors (see below), whose sum is σ = 1355462640. Its totient is φ = 877713408.

The previous prime is 1113305003. The next prime is 1113305023. The reversal of 1113305005 is 5005033111.

It can be written as a sum of positive squares in 8 ways, for example, as 607819716 + 505485289 = 24654^2 + 22483^2 .

It is a cyclic number.

It is not a de Polignac number, because 1113305005 - 2¹ = 1113305003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113305003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135289 + ... + 143281.

It is an arithmetic number, because the mean of its divisors is an integer number (84716415).

Almost surely, 2^1113305005 is an apocalyptic number.

It is an amenable number.

1113305005 is a deficient number, since it is larger than the sum of its proper divisors (242157635).

1113305005 is an equidigital number, since it uses as much as digits as its factorization.

1113305005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8400.

The product of its (nonzero) digits is 225, while the sum is 19.

The square root of 1113305005 is about 33366.2255132342. The cubic root of 1113305005 is about 1036.4254143142.

Adding to 1113305005 its reverse (5005033111), we get a palindrome (6118338116).

The spelling of 1113305005 in words is "one billion, one hundred thirteen million, three hundred five thousand, five".