11011103201205 has 48 divisors (see below), whose sum is σ = 19530748823040. Its totient is φ = 5736212411904.

The previous prime is 11011103201093. The next prime is 11011103201207. The reversal of 11011103201205 is 50210230111011.

11011103201205 is a `hidden beast` number, since 110 + 1 + 110 + 320 + 120 + 5 = 666.

11011103201205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11011103201205 - 2⁴¹ = 8812079945653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11011103201207) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4111300 + ... + 6238989.

It is an arithmetic number, because the mean of its divisors is an integer number (406890600480).

Almost surely, 2^{11011103201205} is an apocalyptic number.

11011103201205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11011103201205 is a deficient number, since it is larger than the sum of its proper divisors (8519645621835).

11011103201205 is a wasteful number, since it uses less digits than its factorization.

11011103201205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10350850 (or 10350847 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 18.

Adding to 11011103201205 its reverse (50210230111011), we get a palindrome (61221333312216).

The spelling of 11011103201205 in words is "eleven trillion, eleven billion, one hundred three million, two hundred one thousand, two hundred five".