1006001110091 has 4 divisors (see below), whose sum is σ = 1006003225800. Its totient is φ = 1005998994384.

The previous prime is 1006001110069. The next prime is 1006001110099. The reversal of 1006001110091 is 1900111006001.

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

It is a cyclic number.

It is not a de Polignac number, because 1006001110091 - 2⁶ = 1006001110027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1006001110099) 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, 24575 + ... + 1418663.

It is an arithmetic number, because the mean of its divisors is an integer number (251500806450).

Almost surely, 2^{1006001110091} is an apocalyptic number.

1006001110091 is a deficient number, since it is larger than the sum of its proper divisors (2115709).

1006001110091 is an equidigital number, since it uses as much as digits as its factorization.

1006001110091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2115708.

The product of its (nonzero) digits is 54, while the sum is 20.

Adding to 1006001110091 its reverse (1900111006001), we get a palindrome (2906112116092).

The spelling of 1006001110091 in words is "one trillion, six billion, one million, one hundred ten thousand, ninety-one".