1226523118111 has 2 divisors, whose sum is σ = 1226523118112. Its totient is φ = 1226523118110.

The previous prime is 1226523118091. The next prime is 1226523118129. The reversal of 1226523118111 is 1118113256221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1226523118111 - 2¹³ = 1226523109919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1226523118151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 613261559055 + 613261559056.

It is an arithmetic number, because the mean of its divisors is an integer number (613261559056).

Almost surely, 2^{1226523118111} is an apocalyptic number.

1226523118111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1226523118111 is an equidigital number, since it uses as much as digits as its factorization.

1226523118111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5760, while the sum is 34.

The spelling of 1226523118111 in words is "one trillion, two hundred twenty-six billion, five hundred twenty-three million, one hundred eighteen thousand, one hundred eleven".