11201111202005 has 8 divisors (see below), whose sum is σ = 13592359661400. Its totient is φ = 8860204815616.

The previous prime is 11201111201999. The next prime is 11201111202011. The reversal of 11201111202005 is 50020211110211.

11201111202005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11201111201999) and next prime (11201111202011).

It can be written as a sum of positive squares in 4 ways, for example, as 559801743601 + 10641309458404 = 748199^2 + 3262102^2 .

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 11201111202005 - 2⁴ = 11201111201989 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12585517760 + ... + 12585518649.

It is an arithmetic number, because the mean of its divisors is an integer number (1699044957675).

Almost surely, 2^{11201111202005} is an apocalyptic number.

It is an amenable number.

11201111202005 is a deficient number, since it is larger than the sum of its proper divisors (2391248459395).

11201111202005 is an equidigital number, since it uses as much as digits as its factorization.

11201111202005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25171036503.

The product of its (nonzero) digits is 40, while the sum is 17.

Adding to 11201111202005 its reverse (50020211110211), we get a palindrome (61221322312216).

The spelling of 11201111202005 in words is "eleven trillion, two hundred one billion, one hundred eleven million, two hundred two thousand, five".