1100345105 has 8 divisors (see below), whose sum is σ = 1325182632. Its totient is φ = 877097088.

The previous prime is 1100345089. The next prime is 1100345117. The reversal of 1100345105 is 5015430011.

It can be written as a sum of positive squares in 4 ways, for example, as 207590464 + 892754641 = 14408^2 + 29879^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1100345105 - 2⁴ = 1100345089 is a prime.

It is a super-2 number, since 2×1100345105² = 2421518700194922050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 395852 + ... + 398621.

It is an arithmetic number, because the mean of its divisors is an integer number (165647829).

Almost surely, 2^1100345105 is an apocalyptic number.

It is an amenable number.

1100345105 is a deficient number, since it is larger than the sum of its proper divisors (224837527).

1100345105 is an equidigital number, since it uses as much as digits as its factorization.

1100345105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794755.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 1100345105 is about 33171.4501491870. The cubic root of 1100345105 is about 1032.3880572081.

Adding to 1100345105 its reverse (5015430011), we get a palindrome (6115775116).

The spelling of 1100345105 in words is "one billion, one hundred million, three hundred forty-five thousand, one hundred five".