1011001101005 has 8 divisors (see below), whose sum is σ = 1386515795712. Its totient is φ = 693257897808.

The previous prime is 1011001100951. The next prime is 1011001101013. The reversal of 1011001101005 is 5001011001101.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1011001101005 - 2¹² = 1011001096909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14442872837 + ... + 14442872906.

It is an arithmetic number, because the mean of its divisors is an integer number (173314474464).

Almost surely, 2^{1011001101005} is an apocalyptic number.

It is an amenable number.

1011001101005 is a deficient number, since it is larger than the sum of its proper divisors (375514694707).

1011001101005 is an equidigital number, since it uses as much as digits as its factorization.

1011001101005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28885745755.

The product of its (nonzero) digits is 5, while the sum is 11.

Adding to 1011001101005 its reverse (5001011001101), we get a palindrome (6012012102106).

The spelling of 1011001101005 in words is "one trillion, eleven billion, one million, one hundred one thousand, five".