1000011105 has 24 divisors (see below), whose sum is σ = 1735755840. Its totient is φ = 532599840.

The previous prime is 1000011091. The next prime is 1000011107. The reversal of 1000011105 is 5011100001.

It is not a de Polignac number, because 1000011105 - 2⁹ = 1000010593 is a prime.

It is a super-3 number, since 3×1000011105³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (1000011107) 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, 18220 + ... + 48290.

It is an arithmetic number, because the mean of its divisors is an integer number (72323160).

Almost surely, 2^1000011105 is an apocalyptic number.

1000011105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1000011105 is a deficient number, since it is larger than the sum of its proper divisors (735744735).

1000011105 is a wasteful number, since it uses less digits than its factorization.

1000011105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30821 (or 30818 counting only the distinct ones).

The product of its (nonzero) digits is 5, while the sum is 9.

The square root of 1000011105 is about 31622.9521866634. The cubic root of 1000011105 is about 1000.0037016530.

Adding to 1000011105 its reverse (5011100001), we get a palindrome (6011111106).

The spelling of 1000011105 in words is "one billion, eleven thousand, one hundred five".