65111061 has 24 divisors (see below), whose sum is σ = 91057824. Its totient is φ = 41379520.

The previous prime is 65111029. The next prime is 65111077. The reversal of 65111061 is 16011156.

It is not a de Polignac number, because 65111061 - 2⁵ = 65111029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65111261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 330415 + ... + 330611.

It is an arithmetic number, because the mean of its divisors is an integer number (3794076).

Almost surely, 2^65111061 is an apocalyptic number.

It is an amenable number.

65111061 is a deficient number, since it is larger than the sum of its proper divisors (25946763).

65111061 is a wasteful number, since it uses less digits than its factorization.

65111061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389 (or 360 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 21.

The square root of 65111061 is about 8069.1425194998. The cubic root of 65111061 is about 402.3014434165.

The spelling of 65111061 in words is "sixty-five million, one hundred eleven thousand, sixty-one".