99996511 has 2 divisors, whose sum is σ = 99996512. Its totient is φ = 99996510.

The previous prime is 99996509. The next prime is 99996517. The reversal of 99996511 is 11569999.

99996511 is nontrivially palindromic in base 14.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99996511 - 2¹ = 99996509 is a prime.

Together with 99996509, 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 (99996517) 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, 49998255 + 49998256.

It is an arithmetic number, because the mean of its divisors is an integer number (49998256).

Almost surely, 2^99996511 is an apocalyptic number.

99996511 is a deficient number, since it is larger than the sum of its proper divisors (1).

99996511 is an equidigital number, since it uses as much as digits as its factorization.

99996511 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 196830, while the sum is 49.

The square root of 99996511 is about 9999.8255484783. The cubic root of 99996511 is about 464.1534851307.

The spelling of 99996511 in words is "ninety-nine million, nine hundred ninety-six thousand, five hundred eleven".