226811138791 has 2 divisors, whose sum is σ = 226811138792. Its totient is φ = 226811138790.

The previous prime is 226811138699. The next prime is 226811138861. The reversal of 226811138791 is 197831118622.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 226811138791 - 2¹³ = 226811130599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226811108791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113405569395 + 113405569396.

It is an arithmetic number, because the mean of its divisors is an integer number (113405569396).

Almost surely, 2^226811138791 is an apocalyptic number.

226811138791 is a deficient number, since it is larger than the sum of its proper divisors (1).

226811138791 is an equidigital number, since it uses as much as digits as its factorization.

226811138791 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 290304, while the sum is 49.

The spelling of 226811138791 in words is "two hundred twenty-six billion, eight hundred eleven million, one hundred thirty-eight thousand, seven hundred ninety-one".