64750007011 has 4 divisors (see below), whose sum is σ = 64760752800. Its totient is φ = 64739261224.

The previous prime is 64750006973. The next prime is 64750007017. The reversal of 64750007011 is 11070005746.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64750007011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64750007017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5363851 + ... + 5375908.

It is an arithmetic number, because the mean of its divisors is an integer number (16190188200).

Almost surely, 2^64750007011 is an apocalyptic number.

64750007011 is a deficient number, since it is larger than the sum of its proper divisors (10745789).

64750007011 is a wasteful number, since it uses less digits than its factorization.

64750007011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10745788.

The product of its (nonzero) digits is 5880, while the sum is 31.

The spelling of 64750007011 in words is "sixty-four billion, seven hundred fifty million, seven thousand, eleven".