64560011 has 8 divisors (see below), whose sum is σ = 69540864. Its totient is φ = 59760360.

The previous prime is 64560007. The next prime is 64560037. The reversal of 64560011 is 11006546.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 64560011 - 2² = 64560007 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64563011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44561 + ... + 45986.

It is an arithmetic number, because the mean of its divisors is an integer number (8692608).

Almost surely, 2^64560011 is an apocalyptic number.

64560011 is a deficient number, since it is larger than the sum of its proper divisors (4980853).

64560011 is a wasteful number, since it uses less digits than its factorization.

64560011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90601.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 64560011 is about 8034.9244551520. The cubic root of 64560011 is about 401.1633031182.

Adding to 64560011 its reverse (11006546), we get a palindrome (75566557).

The spelling of 64560011 in words is "sixty-four million, five hundred sixty thousand, eleven".