999906575911 has 2 divisors, whose sum is σ = 999906575912. Its totient is φ = 999906575910.

The previous prime is 999906575879. The next prime is 999906575923. The reversal of 999906575911 is 119575609999.

999906575911 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 999906575911 - 2⁵ = 999906575879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (999906575611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499953287955 + 499953287956.

It is an arithmetic number, because the mean of its divisors is an integer number (499953287956).

Almost surely, 2^999906575911 is an apocalyptic number.

999906575911 is a deficient number, since it is larger than the sum of its proper divisors (1).

999906575911 is an equidigital number, since it uses as much as digits as its factorization.

999906575911 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62001450, while the sum is 70.

The spelling of 999906575911 in words is "nine hundred ninety-nine billion, nine hundred six million, five hundred seventy-five thousand, nine hundred eleven".