64315143011 has 12 divisors (see below), whose sum is σ = 74853492120. Its totient is φ = 55099326240.

The previous prime is 64315143001. The next prime is 64315143017. The reversal of 64315143011 is 11034151346.

It is a de Polignac number, because none of the positive numbers 2^k-64315143011 is a prime.

It is a super-2 number, since 2×64315143011² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64315143017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 234650 + ... + 428591.

It is an arithmetic number, because the mean of its divisors is an integer number (6237791010).

Almost surely, 2^64315143011 is an apocalyptic number.

64315143011 is a deficient number, since it is larger than the sum of its proper divisors (10538349109).

64315143011 is a wasteful number, since it uses less digits than its factorization.

64315143011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665234 (or 665227 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

Adding to 64315143011 its reverse (11034151346), we get a palindrome (75349294357).

The spelling of 64315143011 in words is "sixty-four billion, three hundred fifteen million, one hundred forty-three thousand, eleven".