226561326311 has 16 divisors (see below), whose sum is σ = 239578905600. Its totient is φ = 213961746240.

The previous prime is 226561326269. The next prime is 226561326319. The reversal of 226561326311 is 113623165622.

226561326311 is nontrivially palindromic in base 5.

It is a cyclic number.

It is not a de Polignac number, because 226561326311 - 2¹⁸ = 226561064167 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 (226561326319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 287486 + ... + 731963.

It is an arithmetic number, because the mean of its divisors is an integer number (14973681600).

Almost surely, 2^226561326311 is an apocalyptic number.

226561326311 is a deficient number, since it is larger than the sum of its proper divisors (13017579289).

226561326311 is a wasteful number, since it uses less digits than its factorization.

226561326311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1019654.

The product of its digits is 77760, while the sum is 38.

The spelling of 226561326311 in words is "two hundred twenty-six billion, five hundred sixty-one million, three hundred twenty-six thousand, three hundred eleven".