64510420011 has 16 divisors (see below), whose sum is σ = 86817484800. Its totient is φ = 42606660320.

The previous prime is 64510420003. The next prime is 64510420027. The reversal of 64510420011 is 11002401546.

It is a happy number.

64510420011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 64510420011 - 2³ = 64510420003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64510427011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17205 + ... + 359606.

It is an arithmetic number, because the mean of its divisors is an integer number (5426092800).

Almost surely, 2^64510420011 is an apocalyptic number.

64510420011 is a deficient number, since it is larger than the sum of its proper divisors (22307064789).

64510420011 is a wasteful number, since it uses less digits than its factorization.

64510420011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377346.

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 64510420011 its reverse (11002401546), we get a palindrome (75512821557).

The spelling of 64510420011 in words is "sixty-four billion, five hundred ten million, four hundred twenty thousand, eleven".