65106811 has 24 divisors (see below), whose sum is σ = 83365632. Its totient is φ = 49396800.

The previous prime is 65106803. The next prime is 65106829. The reversal of 65106811 is 11860156.

It is not a de Polignac number, because 65106811 - 2³ = 65106803 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65106811.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65106841) 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 in 23 ways as a sum of consecutive naturals, for example, 129186 + ... + 129688.

It is an arithmetic number, because the mean of its divisors is an integer number (3473568).

Almost surely, 2^65106811 is an apocalyptic number.

65106811 is a deficient number, since it is larger than the sum of its proper divisors (18258821).

65106811 is a wasteful number, since it uses less digits than its factorization.

65106811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603 (or 562 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 65106811 is about 8068.8791662783. The cubic root of 65106811 is about 402.2926900736.

Adding to 65106811 its reverse (11860156), we get a palindrome (76966967).

The spelling of 65106811 in words is "sixty-five million, one hundred six thousand, eight hundred eleven".