65009011 has 2 divisors, whose sum is σ = 65009012. Its totient is φ = 65009010.

The previous prime is 65008997. The next prime is 65009029. The reversal of 65009011 is 11090056.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65009011 - 2⁷ = 65008883 is a prime.

It is a super-2 number, since 2×65009011² = 8452343022396242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (65000011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32504505 + 32504506.

It is an arithmetic number, because the mean of its divisors is an integer number (32504506).

Almost surely, 2^65009011 is an apocalyptic number.

65009011 is a deficient number, since it is larger than the sum of its proper divisors (1).

65009011 is an equidigital number, since it uses as much as digits as its factorization.

65009011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 270, while the sum is 22.

The square root of 65009011 is about 8062.8165674285. The cubic root of 65009011 is about 402.0911548772.

Adding to 65009011 its reverse (11090056), we get a palindrome (76099067).

The spelling of 65009011 in words is "sixty-five million, nine thousand, eleven".