11111650105 has 8 divisors (see below), whose sum is σ = 13516637832. Its totient is φ = 8767548288.

The previous prime is 11111650073. The next prime is 11111650217. The reversal of 11111650105 is 50105611111.

11111650105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 706018041 + 10405632064 = 26571^2 + 102008^2 .

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 11111650105 - 2⁵ = 11111650073 is a prime.

It is a super-2 number, since 2×11111650105² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 15221074 + ... + 15221803.

It is an arithmetic number, because the mean of its divisors is an integer number (1689579729).

Almost surely, 2^11111650105 is an apocalyptic number.

It is an amenable number.

11111650105 is a deficient number, since it is larger than the sum of its proper divisors (2404987727).

11111650105 is an equidigital number, since it uses as much as digits as its factorization.

11111650105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30442955.

The product of its (nonzero) digits is 150, while the sum is 22.

The spelling of 11111650105 in words is "eleven billion, one hundred eleven million, six hundred fifty thousand, one hundred five".