11000022985 has 12 divisors (see below), whose sum is σ = 15355134468. Its totient is φ = 7542872736.

The previous prime is 11000022983. The next prime is 11000022989. The reversal of 11000022985 is 58922000011.

It can be written as a sum of positive squares in 2 ways, for example, as 2337625801 + 8662397184 = 48349^2 + 93072^2 .

It is not a de Polignac number, because 11000022985 - 2¹ = 11000022983 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11000022983) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22448782 + ... + 22449271.

It is an arithmetic number, because the mean of its divisors is an integer number (1279594539).

Almost surely, 2^11000022985 is an apocalyptic number.

It is an amenable number.

11000022985 is a deficient number, since it is larger than the sum of its proper divisors (4355111483).

11000022985 is an equidigital number, since it uses as much as digits as its factorization.

11000022985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44898072 (or 44898065 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 28.

Adding to 11000022985 its reverse (58922000011), we get a palindrome (69922022996).

The spelling of 11000022985 in words is "eleven billion, twenty-two thousand, nine hundred eighty-five".