11133212535209 has 2 divisors, whose sum is σ = 11133212535210. Its totient is φ = 11133212535208.

The previous prime is 11133212535173. The next prime is 11133212535227. The reversal of 11133212535209 is 90253521233111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11050039705600 + 83172829609 = 3324160^2 + 288397^2 .

It is an emirp because it is prime and its reverse (90253521233111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11133212535209 - 2²⁰ = 11133211486633 is a prime.

It is not a weakly prime, because it can be changed into another prime (11133212505209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5566606267604 + 5566606267605.

It is an arithmetic number, because the mean of its divisors is an integer number (5566606267605).

Almost surely, 2^{11133212535209} is an apocalyptic number.

It is an amenable number.

11133212535209 is a deficient number, since it is larger than the sum of its proper divisors (1).

11133212535209 is an equidigital number, since it uses as much as digits as its factorization.

11133212535209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48600, while the sum is 38.

The spelling of 11133212535209 in words is "eleven trillion, one hundred thirty-three billion, two hundred twelve million, five hundred thirty-five thousand, two hundred nine".