11298989899 has 2 divisors, whose sum is σ = 11298989900. Its totient is φ = 11298989898.

The previous prime is 11298989873. The next prime is 11298989909. The reversal of 11298989899 is 99898989211.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11298989899 is a prime.

It is not a weakly prime, because it can be changed into another prime (11298989809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5649494949 + 5649494950.

It is an arithmetic number, because the mean of its divisors is an integer number (5649494950).

Almost surely, 2^11298989899 is an apocalyptic number.

11298989899 is a deficient number, since it is larger than the sum of its proper divisors (1).

11298989899 is an equidigital number, since it uses as much as digits as its factorization.

11298989899 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60466176, while the sum is 73.

The spelling of 11298989899 in words is "eleven billion, two hundred ninety-eight million, nine hundred eighty-nine thousand, eight hundred ninety-nine".