11205225311 has 8 divisors (see below), whose sum is σ = 13219067904. Its totient is φ = 9294656760.

The previous prime is 11205225293. The next prime is 11205225313. The reversal of 11205225311 is 11352250211.

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 11205225311 - 2¹⁰ = 11205224287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11205225313) 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, 25818275 + ... + 25818708.

It is an arithmetic number, because the mean of its divisors is an integer number (1652383488).

Almost surely, 2^11205225311 is an apocalyptic number.

11205225311 is a deficient number, since it is larger than the sum of its proper divisors (2013842593).

11205225311 is an equidigital number, since it uses as much as digits as its factorization.

11205225311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51637021.

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

Adding to 11205225311 its reverse (11352250211), we get a palindrome (22557475522).

The spelling of 11205225311 in words is "eleven billion, two hundred five million, two hundred twenty-five thousand, three hundred eleven".