1005041101 has 4 divisors (see below), whose sum is σ = 1032204412. Its totient is φ = 977877792.

The previous prime is 1005041099. The next prime is 1005041113. The reversal of 1005041101 is 1011405001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 606439876 + 398601225 = 24626^2 + 19965^2 .

It is a cyclic number.

It is not a de Polignac number, because 1005041101 - 2¹ = 1005041099 is a prime.

It is a super-2 number, since 2×1005041101² = 2020215229398584402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1005041161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13581600 + ... + 13581673.

It is an arithmetic number, because the mean of its divisors is an integer number (258051103).

Almost surely, 2^1005041101 is an apocalyptic number.

It is an amenable number.

1005041101 is a deficient number, since it is larger than the sum of its proper divisors (27163311).

1005041101 is an equidigital number, since it uses as much as digits as its factorization.

1005041101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27163310.

The product of its (nonzero) digits is 20, while the sum is 13.

The square root of 1005041101 is about 31702.3832069452. The cubic root of 1005041101 is about 1001.6775512482.

Adding to 1005041101 its reverse (1011405001), we get a palindrome (2016446102).

The spelling of 1005041101 in words is "one billion, five million, forty-one thousand, one hundred one".