999999272997911 has 2 divisors, whose sum is σ = 999999272997912. Its totient is φ = 999999272997910.

The previous prime is 999999272997899. The next prime is 999999272997943. The reversal of 999999272997911 is 119799272999999.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-999999272997911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (999999272997971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499999636498955 + 499999636498956.

It is an arithmetic number, because the mean of its divisors is an integer number (499999636498956).

Almost surely, 2^{999999272997911} is an apocalyptic number.

999999272997911 is a deficient number, since it is larger than the sum of its proper divisors (1).

999999272997911 is an equidigital number, since it uses as much as digits as its factorization.

999999272997911 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75934415844, while the sum is 101.

The spelling of 999999272997911 in words is "nine hundred ninety-nine trillion, nine hundred ninety-nine billion, two hundred seventy-two million, nine hundred ninety-seven thousand, nine hundred eleven".