64243110001141 has 4 divisors (see below), whose sum is σ = 64243134047884. Its totient is φ = 64243085954400.

The previous prime is 64243110001069. The next prime is 64243110001157. The reversal of 64243110001141 is 14110001134246.

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

It can be written as a sum of positive squares in 2 ways, for example, as 47039653234116 + 17203456767025 = 6858546^2 + 4147705^2 .

It is a cyclic number.

It is not a de Polignac number, because 64243110001141 - 2⁷ = 64243110001013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64243110004141) 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, 7431390 + ... + 13554031.

It is an arithmetic number, because the mean of its divisors is an integer number (16060783511971).

Almost surely, 2^{64243110001141} is an apocalyptic number.

It is an amenable number.

64243110001141 is a deficient number, since it is larger than the sum of its proper divisors (24046743).

64243110001141 is a wasteful number, since it uses less digits than its factorization.

64243110001141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24046742.

The product of its (nonzero) digits is 2304, while the sum is 28.

Adding to 64243110001141 its reverse (14110001134246), we get a palindrome (78353111135387).

The spelling of 64243110001141 in words is "sixty-four trillion, two hundred forty-three billion, one hundred ten million, one thousand, one hundred forty-one".