1000011011001 has 16 divisors (see below), whose sum is σ = 1346343837696. Its totient is φ = 660176583696.

The previous prime is 1000011010997. The next prime is 1000011011003. The reversal of 1000011011001 is 1001101100001.

It is not a de Polignac number, because 1000011011001 - 2² = 1000011010997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1000011011003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12041446 + ... + 12124208.

It is an arithmetic number, because the mean of its divisors is an integer number (84146489856).

Almost surely, 2^{1000011011001} is an apocalyptic number.

It is an amenable number.

1000011011001 is a deficient number, since it is larger than the sum of its proper divisors (346332826695).

1000011011001 is a wasteful number, since it uses less digits than its factorization.

1000011011001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121972.

The product of its (nonzero) digits is 1, while the sum is 6.

Adding to 1000011011001 its reverse (1001101100001), we get a palindrome (2001112111002).

The spelling of 1000011011001 in words is "one trillion, eleven million, eleven thousand, one".