11223125311 has 4 divisors (see below), whose sum is σ = 11390634712. Its totient is φ = 11055615912.

The previous prime is 11223125279. The next prime is 11223125357. The reversal of 11223125311 is 11352132211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11223125311 - 2⁵ = 11223125279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11223125411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83754600 + ... + 83754733.

It is an arithmetic number, because the mean of its divisors is an integer number (2847658678).

Almost surely, 2^11223125311 is an apocalyptic number.

11223125311 is a deficient number, since it is larger than the sum of its proper divisors (167509401).

11223125311 is an equidigital number, since it uses as much as digits as its factorization.

11223125311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167509400.

The product of its digits is 360, while the sum is 22.

Adding to 11223125311 its reverse (11352132211), we get a palindrome (22575257522).

The spelling of 11223125311 in words is "eleven billion, two hundred twenty-three million, one hundred twenty-five thousand, three hundred eleven".