11105051101061 has 4 divisors (see below), whose sum is σ = 11105262513324. Its totient is φ = 11104839688800.

The previous prime is 11105051101049. The next prime is 11105051101097. The reversal of 11105051101061 is 16010115050111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10703562856900 + 401488244161 = 3271630^2 + 633631^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11105051101061 is a prime.

It is a super-2 number, since 2×11105051101061² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11105051001061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105627320 + ... + 105732401.

It is an arithmetic number, because the mean of its divisors is an integer number (2776315628331).

Almost surely, 2^{11105051101061} is an apocalyptic number.

It is an amenable number.

11105051101061 is a deficient number, since it is larger than the sum of its proper divisors (211412263).

11105051101061 is an equidigital number, since it uses as much as digits as its factorization.

11105051101061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211412262.

The product of its (nonzero) digits is 150, while the sum is 23.

Adding to 11105051101061 its reverse (16010115050111), we get a palindrome (27115166151172).

The spelling of 11105051101061 in words is "eleven trillion, one hundred five billion, fifty-one million, one hundred one thousand, sixty-one".