11220905456699 has 2 divisors, whose sum is σ = 11220905456700. Its totient is φ = 11220905456698.

The previous prime is 11220905456633. The next prime is 11220905456773. The reversal of 11220905456699 is 99665450902211.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11220905456699 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (11220905456599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5610452728349 + 5610452728350.

It is an arithmetic number, because the mean of its divisors is an integer number (5610452728350).

Almost surely, 2^{11220905456699} is an apocalyptic number.

11220905456699 is a deficient number, since it is larger than the sum of its proper divisors (1).

11220905456699 is an equidigital number, since it uses as much as digits as its factorization.

11220905456699 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10497600, while the sum is 59.

The spelling of 11220905456699 in words is "eleven trillion, two hundred twenty billion, nine hundred five million, four hundred fifty-six thousand, six hundred ninety-nine".