106989511 has 2 divisors, whose sum is σ = 106989512. Its totient is φ = 106989510.

The previous prime is 106989431. The next prime is 106989523. The reversal of 106989511 is 115989601.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 106989511 - 2⁷ = 106989383 is a prime.

It is a super-2 number, since 2×106989511² = 22893510928038242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106989581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53494755 + 53494756.

It is an arithmetic number, because the mean of its divisors is an integer number (53494756).

Almost surely, 2^106989511 is an apocalyptic number.

106989511 is a deficient number, since it is larger than the sum of its proper divisors (1).

106989511 is an equidigital number, since it uses as much as digits as its factorization.

106989511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 40.

The square root of 106989511 is about 10343.5734154111. The cubic root of 106989511 is about 474.7304265412.

The spelling of 106989511 in words is "one hundred six million, nine hundred eighty-nine thousand, five hundred eleven".