11234445556657 has 2 divisors, whose sum is σ = 11234445556658. Its totient is φ = 11234445556656.

The previous prime is 11234445556597. The next prime is 11234445556673. The reversal of 11234445556657 is 75665554443211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11089905682801 + 144539873856 = 3330151^2 + 380184^2 .

It is a cyclic number.

It is not a de Polignac number, because 11234445556657 - 2²³ = 11234437168049 is a prime.

It is not a weakly prime, because it can be changed into another prime (11234445596657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5617222778328 + 5617222778329.

It is an arithmetic number, because the mean of its divisors is an integer number (5617222778329).

Almost surely, 2^{11234445556657} is an apocalyptic number.

It is an amenable number.

11234445556657 is a deficient number, since it is larger than the sum of its proper divisors (1).

11234445556657 is an equidigital number, since it uses as much as digits as its factorization.

11234445556657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480000, while the sum is 58.

Adding to 11234445556657 its reverse (75665554443211), we get a palindrome (86899999999868).

The spelling of 11234445556657 in words is "eleven trillion, two hundred thirty-four billion, four hundred forty-five million, five hundred fifty-six thousand, six hundred fifty-seven".