99917011 has 2 divisors, whose sum is σ = 99917012. Its totient is φ = 99917010.

The previous prime is 99917009. The next prime is 99917039. The reversal of 99917011 is 11071999.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99917011 - 2¹ = 99917009 is a prime.

Together with 99917009, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (99917711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49958505 + 49958506.

It is an arithmetic number, because the mean of its divisors is an integer number (49958506).

Almost surely, 2^99917011 is an apocalyptic number.

99917011 is a deficient number, since it is larger than the sum of its proper divisors (1).

99917011 is an equidigital number, since it uses as much as digits as its factorization.

99917011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5103, while the sum is 37.

The square root of 99917011 is about 9995.8496887458. The cubic root of 99917011 is about 464.0304475536.

The spelling of 99917011 in words is "ninety-nine million, nine hundred seventeen thousand, eleven".