10999999868929 has 2 divisors, whose sum is σ = 10999999868930. Its totient is φ = 10999999868928.

The previous prime is 10999999868917. The next prime is 10999999868953. The reversal of 10999999868929 is 92986899999901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6400004411329 + 4599995457600 = 2529823^2 + 2144760^2 .

It is a cyclic number.

It is not a de Polignac number, because 10999999868929 - 2¹¹ = 10999999866881 is a prime.

It is not a weakly prime, because it can be changed into another prime (10999999868909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5499999934464 + 5499999934465.

It is an arithmetic number, because the mean of its divisors is an integer number (5499999934465).

Almost surely, 2^{10999999868929} is an apocalyptic number.

It is an amenable number.

10999999868929 is a deficient number, since it is larger than the sum of its proper divisors (1).

10999999868929 is an equidigital number, since it uses as much as digits as its factorization.

10999999868929 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 33059881728, while the sum is 97.

The spelling of 10999999868929 in words is "ten trillion, nine hundred ninety-nine billion, nine hundred ninety-nine million, eight hundred sixty-eight thousand, nine hundred twenty-nine".