1105011001 has 8 divisors (see below), whose sum is σ = 1122676200. Its totient is φ = 1087414272.

The previous prime is 1105010971. The next prime is 1105011013. The reversal of 1105011001 is 1001105011.

It can be written as a sum of positive squares in 4 ways, for example, as 84272400 + 1020738601 = 9180^2 + 31949^2 .

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 1105011001 - 2¹⁵ = 1104978233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1105011071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15921 + ... + 49633.

It is an arithmetic number, because the mean of its divisors is an integer number (140334525).

Almost surely, 2^1105011001 is an apocalyptic number.

It is an amenable number.

1105011001 is a deficient number, since it is larger than the sum of its proper divisors (17665199).

1105011001 is an equidigital number, since it uses as much as digits as its factorization.

1105011001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34235.

The product of its (nonzero) digits is 5, while the sum is 10.

The square root of 1105011001 is about 33241.7057474492. The cubic root of 1105011001 is about 1033.8452432610.

Adding to 1105011001 its reverse (1001105011), we get a palindrome (2106116012).

The spelling of 1105011001 in words is "one billion, one hundred five million, eleven thousand, one".