11000111001111 has 24 divisors (see below), whose sum is σ = 16279167091824. Its totient is φ = 7153409639040.

The previous prime is 11000111001097. The next prime is 11000111001227. The reversal of 11000111001111 is 11110011100011.

It is not a de Polignac number, because 11000111001111 - 2¹³ = 11000110992919 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 11000111001093 and 11000111001102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11000111006111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28581 + ... + 4690526.

It is an arithmetic number, because the mean of its divisors is an integer number (678298628826).

Almost surely, 2^{11000111001111} is an apocalyptic number.

11000111001111 is a deficient number, since it is larger than the sum of its proper divisors (5279056090713).

11000111001111 is a wasteful number, since it uses less digits than its factorization.

11000111001111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4725471 (or 4725468 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 9.

Adding to 11000111001111 its reverse (11110011100011), we get a palindrome (22110122101122).

The spelling of 11000111001111 in words is "eleven trillion, one hundred eleven million, one thousand, one hundred eleven".