11205450211 has 8 divisors (see below), whose sum is σ = 11247151104. Its totient is φ = 11163827400.

The previous prime is 11205450199. The next prime is 11205450257.

11205450211 is nontrivially palindromic in base 10.

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 11205450211 - 2¹³ = 11205442019 is a prime.

It is a super-2 number, since 2×11205450211² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11200450211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276286 + ... + 314236.

It is an arithmetic number, because the mean of its divisors is an integer number (1405893888).

Almost surely, 2^11205450211 is an apocalyptic number.

11205450211 is a deficient number, since it is larger than the sum of its proper divisors (41700893).

11205450211 is an equidigital number, since it uses as much as digits as its factorization.

11205450211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39041.

The product of its (nonzero) digits is 400, while the sum is 22.

The spelling of 11205450211 in words is "eleven billion, two hundred five million, four hundred fifty thousand, two hundred eleven".