11141222605 has 8 divisors (see below), whose sum is σ = 13507297272. Its totient is φ = 8821091328.

The previous prime is 11141222597. The next prime is 11141222621. The reversal of 11141222605 is 50622214111.

It can be written as a sum of positive squares in 4 ways, for example, as 1676656809 + 9464565796 = 40947^2 + 97286^2 .

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 11141222605 - 2³ = 11141222597 is a prime.

It is a super-2 number, since 2×11141222605² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11141222605.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11485312 + ... + 11486281.

It is an arithmetic number, because the mean of its divisors is an integer number (1688412159).

Almost surely, 2^11141222605 is an apocalyptic number.

It is an amenable number.

11141222605 is a deficient number, since it is larger than the sum of its proper divisors (2366074667).

11141222605 is an equidigital number, since it uses as much as digits as its factorization.

11141222605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22971695.

The product of its (nonzero) digits is 960, while the sum is 25.

Adding to 11141222605 its reverse (50622214111), we get a palindrome (61763436716).

The spelling of 11141222605 in words is "eleven billion, one hundred forty-one million, two hundred twenty-two thousand, six hundred five".