1011011199999 has 8 divisors (see below), whose sum is σ = 1384447769520. Its totient is φ = 655791048576.

The previous prime is 1011011199967. The next prime is 1011011200021. The reversal of 1011011199999 is 9999911101101.

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

It is not a de Polignac number, because 1011011199999 - 2⁵ = 1011011199967 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011011199199) 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, 4554104394 + ... + 4554104615.

It is an arithmetic number, because the mean of its divisors is an integer number (173055971190).

Almost surely, 2^{1011011199999} is an apocalyptic number.

1011011199999 is a deficient number, since it is larger than the sum of its proper divisors (373436569521).

1011011199999 is an equidigital number, since it uses as much as digits as its factorization.

1011011199999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9108209049.

The product of its (nonzero) digits is 59049, while the sum is 51.

The spelling of 1011011199999 in words is "one trillion, eleven billion, eleven million, one hundred ninety-nine thousand, nine hundred ninety-nine".