99995111 has 2 divisors, whose sum is σ = 99995112. Its totient is φ = 99995110.

The previous prime is 99995087. The next prime is 99995113. The reversal of 99995111 is 11159999.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99995111 - 2¹⁴ = 99978727 is a prime.

Together with 99995113, it forms a pair of twin primes.

It is a Chen prime.

It is a nialpdrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99995113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49997555 + 49997556.

It is an arithmetic number, because the mean of its divisors is an integer number (49997556).

Almost surely, 2^99995111 is an apocalyptic number.

99995111 is a deficient number, since it is larger than the sum of its proper divisors (1).

99995111 is an equidigital number, since it uses as much as digits as its factorization.

99995111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32805, while the sum is 44.

The square root of 99995111 is about 9999.7555470121. The cubic root of 99995111 is about 464.1513189954.

The spelling of 99995111 in words is "ninety-nine million, nine hundred ninety-five thousand, one hundred eleven".