999495242111 has 2 divisors, whose sum is σ = 999495242112. Its totient is φ = 999495242110.

The previous prime is 999495242101. The next prime is 999495242129. The reversal of 999495242111 is 111242594999.

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-999495242111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (999495242101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499747621055 + 499747621056.

It is an arithmetic number, because the mean of its divisors is an integer number (499747621056).

Almost surely, 2^999495242111 is an apocalyptic number.

999495242111 is a deficient number, since it is larger than the sum of its proper divisors (1).

999495242111 is an equidigital number, since it uses as much as digits as its factorization.

999495242111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2099520, while the sum is 56.

The spelling of 999495242111 in words is "nine hundred ninety-nine billion, four hundred ninety-five million, two hundred forty-two thousand, one hundred eleven".