999998880011 has 2 divisors, whose sum is σ = 999998880012. Its totient is φ = 999998880010.

The previous prime is 999998879987. The next prime is 999998880017. The reversal of 999998880011 is 110088899999.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 999998880011 - 2²⁶ = 999931771147 is a prime.

It is a zygodrome in base 10.

It is not a weakly prime, because it can be changed into another prime (999998880017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499999440005 + 499999440006.

It is an arithmetic number, because the mean of its divisors is an integer number (499999440006).

Almost surely, 2^999998880011 is an apocalyptic number.

999998880011 is a deficient number, since it is larger than the sum of its proper divisors (1).

999998880011 is an equidigital number, since it uses as much as digits as its factorization.

999998880011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30233088, while the sum is 71.

The spelling of 999998880011 in words is "nine hundred ninety-nine billion, nine hundred ninety-eight million, eight hundred eighty thousand, eleven".