11841256246609 has 2 divisors, whose sum is σ = 11841256246610. Its totient is φ = 11841256246608.

The previous prime is 11841256246597. The next prime is 11841256246619. The reversal of 11841256246609 is 90664265214811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7361671297600 + 4479584949009 = 2713240^2 + 2116503^2 .

It is a cyclic number.

It is not a de Polignac number, because 11841256246609 - 2⁵ = 11841256246577 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11841256246609.

It is not a weakly prime, because it can be changed into another prime (11841256246619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5920628123304 + 5920628123305.

It is an arithmetic number, because the mean of its divisors is an integer number (5920628123305).

Almost surely, 2^{11841256246609} is an apocalyptic number.

It is an amenable number.

11841256246609 is a deficient number, since it is larger than the sum of its proper divisors (1).

11841256246609 is an equidigital number, since it uses as much as digits as its factorization.

11841256246609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4976640, while the sum is 55.

The spelling of 11841256246609 in words is "eleven trillion, eight hundred forty-one billion, two hundred fifty-six million, two hundred forty-six thousand, six hundred nine".