11001110001111 has 6 divisors (see below), whose sum is σ = 15890492223840. Its totient is φ = 7334073334068.

The previous prime is 11001110001097. The next prime is 11001110001131. The reversal of 11001110001111 is 11110001110011.

It is not a de Polignac number, because 11001110001111 - 2⁷ = 11001110000983 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 1222345555679 = 11001110001111 / (1 + 1 + 0 + 0 + 1 + 1 + 1 + 0 + 0 + 0 + 1 + 1 + 1 + 1).

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 11001110001093 and 11001110001102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11001110001131) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 611172777831 + ... + 611172777848.

It is an arithmetic number, because the mean of its divisors is an integer number (2648415370640).

Almost surely, 2^{11001110001111} is an apocalyptic number.

11001110001111 is a deficient number, since it is larger than the sum of its proper divisors (4889382222729).

11001110001111 is a wasteful number, since it uses less digits than its factorization.

11001110001111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222345555685 (or 1222345555682 counting only the distinct ones).

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

Adding to 11001110001111 its reverse (11110001110011), we get a palindrome (22111111111122).

The spelling of 11001110001111 in words is "eleven trillion, one billion, one hundred ten million, one thousand, one hundred eleven".