64012111011 has 6 divisors (see below), whose sum is σ = 92461938140. Its totient is φ = 42674740668.

The previous prime is 64012110997. The next prime is 64012111013. The reversal of 64012111011 is 11011121046.

64012111011 is a `hidden beast` number, since 640 + 1 + 2 + 1 + 1 + 10 + 11 = 666.

It is not a de Polignac number, because 64012111011 - 2⁹ = 64012110499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64012111013) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3556228381 + ... + 3556228398.

Almost surely, 2^64012111011 is an apocalyptic number.

64012111011 is a deficient number, since it is larger than the sum of its proper divisors (28449827129).

64012111011 is a wasteful number, since it uses less digits than its factorization.

64012111011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7112456785 (or 7112456782 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 64012111011 its reverse (11011121046), we get a palindrome (75023232057).

The spelling of 64012111011 in words is "sixty-four billion, twelve million, one hundred eleven thousand, eleven".