11050640105 has 4 divisors (see below), whose sum is σ = 13260768132. Its totient is φ = 8840512080.

The previous prime is 11050640093. The next prime is 11050640137. The reversal of 11050640105 is 50104605011.

11050640105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50104605011 = 31 ⋅1616277581.

It can be written as a sum of positive squares in 2 ways, for example, as 3110404441 + 7940235664 = 55771^2 + 89108^2 .

It is not a de Polignac number, because 11050640105 - 2²² = 11046445801 is a prime.

It is a super-2 number, since 2×11050640105² (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 3 ways as a sum of consecutive naturals, for example, 1105064006 + ... + 1105064015.

It is an arithmetic number, because the mean of its divisors is an integer number (3315192033).

Almost surely, 2^11050640105 is an apocalyptic number.

It is an amenable number.

11050640105 is a deficient number, since it is larger than the sum of its proper divisors (2210128027).

11050640105 is an equidigital number, since it uses as much as digits as its factorization.

11050640105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2210128026.

The product of its (nonzero) digits is 600, while the sum is 23.

The spelling of 11050640105 in words is "eleven billion, fifty million, six hundred forty thousand, one hundred five".