99009511 has 2 divisors, whose sum is σ = 99009512. Its totient is φ = 99009510.

The previous prime is 99009499. The next prime is 99009523. The reversal of 99009511 is 11590099.

It is a balanced prime because it is at equal distance from previous prime (99009499) and next prime (99009523).

It is an emirp because it is prime and its reverse (11590099) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99009511 - 2⁹ = 99008999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99009311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49504755 + 49504756.

It is an arithmetic number, because the mean of its divisors is an integer number (49504756).

Almost surely, 2^99009511 is an apocalyptic number.

99009511 is a deficient number, since it is larger than the sum of its proper divisors (1).

99009511 is an equidigital number, since it uses as much as digits as its factorization.

99009511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3645, while the sum is 34.

The square root of 99009511 is about 9950.3523053207. The cubic root of 99009511 is about 462.6213147551.

The spelling of 99009511 in words is "ninety-nine million, nine thousand, five hundred eleven".