1107115805 has 16 divisors (see below), whose sum is σ = 1354180464. Its totient is φ = 868761600.

The previous prime is 1107115783. The next prime is 1107115819. The reversal of 1107115805 is 5085117011.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 581147449 + 525968356 = 24107^2 + 22934^2 .

It is not a de Polignac number, because 1107115805 - 2⁸ = 1107115549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 44705 + ... + 64905.

It is an arithmetic number, because the mean of its divisors is an integer number (84636279).

Almost surely, 2^1107115805 is an apocalyptic number.

It is an amenable number.

1107115805 is a deficient number, since it is larger than the sum of its proper divisors (247064659).

1107115805 is a wasteful number, since it uses less digits than its factorization.

1107115805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20416.

The product of its (nonzero) digits is 1400, while the sum is 29.

The square root of 1107115805 is about 33273.3497712509. The cubic root of 1107115805 is about 1034.5012431965.

The spelling of 1107115805 in words is "one billion, one hundred seven million, one hundred fifteen thousand, eight hundred five".