11011110101111 has 8 divisors (see below), whose sum is σ = 11112155526384. Its totient is φ = 10910322117760.

The previous prime is 11011110101003. The next prime is 11011110101203. The reversal of 11011110101111 is 11110101111011.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11011110101111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11011110101092 and 11011110101101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11011110161111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64274546 + ... + 64445631.

It is an arithmetic number, because the mean of its divisors is an integer number (1389019440798).

Almost surely, 2^{11011110101111} is an apocalyptic number.

11011110101111 is a deficient number, since it is larger than the sum of its proper divisors (101045425273).

11011110101111 is a wasteful number, since it uses less digits than its factorization.

11011110101111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128720961.

The product of its (nonzero) digits is 1, while the sum is 11.

Adding to 11011110101111 its reverse (11110101111011), we get a palindrome (22121211212122).

The spelling of 11011110101111 in words is "eleven trillion, eleven billion, one hundred ten million, one hundred one thousand, one hundred eleven".