11001097985 has 8 divisors (see below), whose sum is σ = 13229588736. Its totient is φ = 8782030960.

The previous prime is 11001097981. The next prime is 11001097997. The reversal of 11001097985 is 58979010011.

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

It is not a de Polignac number, because 11001097985 - 2² = 11001097981 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11001097981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2353361 + ... + 2358030.

It is an arithmetic number, because the mean of its divisors is an integer number (1653698592).

Almost surely, 2^11001097985 is an apocalyptic number.

It is an amenable number.

11001097985 is a deficient number, since it is larger than the sum of its proper divisors (2228490751).

11001097985 is an equidigital number, since it uses as much as digits as its factorization.

11001097985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4711863.

The product of its (nonzero) digits is 22680, while the sum is 41.

The spelling of 11001097985 in words is "eleven billion, one million, ninety-seven thousand, nine hundred eighty-five".