11011111110105 has 32 divisors (see below), whose sum is σ = 17655625810944. Its totient is φ = 5859978872256.

The previous prime is 11011111110089. The next prime is 11011111110113. The reversal of 11011111110105 is 50101111111011.

It is not a de Polignac number, because 11011111110105 - 2⁴ = 11011111110089 is a prime.

It is a super-2 number, since 2×11011111110105² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 83817682 + ... + 83948948.

It is an arithmetic number, because the mean of its divisors is an integer number (551738306592).

Almost surely, 2^{11011111110105} is an apocalyptic number.

11011111110105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11011111110105 is a deficient number, since it is larger than the sum of its proper divisors (6644514700839).

11011111110105 is a wasteful number, since it uses less digits than its factorization.

11011111110105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143245.

The product of its (nonzero) digits is 5, while the sum is 15.

Adding to 11011111110105 its reverse (50101111111011), we get a palindrome (61112222221116).

The spelling of 11011111110105 in words is "eleven trillion, eleven billion, one hundred eleven million, one hundred ten thousand, one hundred five".