11011110101011 has 8 divisors (see below), whose sum is σ = 12060850821120. Its totient is φ = 10006039198848.

The previous prime is 11011110101003. The next prime is 11011110101203. The reversal of 11011110101011 is 11010101111011.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 11011110101011 - 2³ = 11011110101003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11011110104011) 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, 11167453971 + ... + 11167454956.

It is an arithmetic number, because the mean of its divisors is an integer number (1507606352640).

Almost surely, 2^{11011110101011} is an apocalyptic number.

11011110101011 is a deficient number, since it is larger than the sum of its proper divisors (1049740720109).

11011110101011 is a wasteful number, since it uses less digits than its factorization.

11011110101011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22334908973.

The product of its (nonzero) digits is 1, while the sum is 10.

Adding to 11011110101011 its reverse (11010101111011), we get a palindrome (22021211212022).

It can be divided in two parts, 11011 and 110101011, that multiplied together give a palindrome (1212322232121).

The spelling of 11011110101011 in words is "eleven trillion, eleven billion, one hundred ten million, one hundred one thousand, eleven".