64510350444011 has 4 divisors (see below), whose sum is σ = 66591329490624. Its totient is φ = 62429371397400.

The previous prime is 64510350443977. The next prime is 64510350444077. The reversal of 64510350444011 is 11044405301546.

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

It is a cyclic number.

It is not a de Polignac number, because 64510350444011 - 2³⁴ = 64493170574827 is a prime.

It is a super-2 number, since 2×64510350444011² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64510350441011) 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, 1040489523260 + ... + 1040489523321.

It is an arithmetic number, because the mean of its divisors is an integer number (16647832372656).

Almost surely, 2^{64510350444011} is an apocalyptic number.

64510350444011 is a deficient number, since it is larger than the sum of its proper divisors (2080979046613).

64510350444011 is a wasteful number, since it uses less digits than its factorization.

64510350444011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2080979046612.

The product of its (nonzero) digits is 115200, while the sum is 38.

Adding to 64510350444011 its reverse (11044405301546), we get a palindrome (75554755745557).

The spelling of 64510350444011 in words is "sixty-four trillion, five hundred ten billion, three hundred fifty million, four hundred forty-four thousand, eleven".