11001111100985 has 32 divisors (see below), whose sum is σ = 13478515556352. Its totient is φ = 8618388387840.

The previous prime is 11001111100913. The next prime is 11001111101017. The reversal of 11001111100985 is 58900111110011.

It is not a de Polignac number, because 11001111100985 - 2¹⁸ = 11001110838841 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22735520 + ... + 23214350.

It is an arithmetic number, because the mean of its divisors is an integer number (421203611136).

Almost surely, 2^{11001111100985} is an apocalyptic number.

It is an amenable number.

11001111100985 is a deficient number, since it is larger than the sum of its proper divisors (2477404455367).

11001111100985 is a wasteful number, since it uses less digits than its factorization.

11001111100985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479433.

The product of its (nonzero) digits is 360, while the sum is 29.

Adding to 11001111100985 its reverse (58900111110011), we get a palindrome (69901222210996).

The spelling of 11001111100985 in words is "eleven trillion, one billion, one hundred eleven million, one hundred thousand, nine hundred eighty-five".