1113317805 has 16 divisors (see below), whose sum is σ = 1785968640. Its totient is φ = 592216128.

The previous prime is 1113317797. The next prime is 1113317809. The reversal of 1113317805 is 5087133111.

It is not a de Polignac number, because 1113317805 - 2³ = 1113317797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113317809) 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, 91150 + ... + 102639.

It is an arithmetic number, because the mean of its divisors is an integer number (111623040).

Almost surely, 2^1113317805 is an apocalyptic number.

1113317805 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1113317805 is a deficient number, since it is larger than the sum of its proper divisors (672650835).

1113317805 is a wasteful number, since it uses less digits than its factorization.

1113317805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194180.

The product of its (nonzero) digits is 2520, while the sum is 30.

The square root of 1113317805 is about 33366.4173234107. The cubic root of 1113317805 is about 1036.4293863298.

The spelling of 1113317805 in words is "one billion, one hundred thirteen million, three hundred seventeen thousand, eight hundred five".