65805912141 has 4 divisors (see below), whose sum is σ = 87741216192. Its totient is φ = 43870608092.

The previous prime is 65805912103. The next prime is 65805912157. The reversal of 65805912141 is 14121950856.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 65805912141 - 2¹³ = 65805903949 is a prime.

It is a super-3 number, since 3×65805912141³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 65805912093 and 65805912102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65805912541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10967652021 + ... + 10967652026.

It is an arithmetic number, because the mean of its divisors is an integer number (21935304048).

Almost surely, 2^65805912141 is an apocalyptic number.

It is an amenable number.

65805912141 is a deficient number, since it is larger than the sum of its proper divisors (21935304051).

65805912141 is a wasteful number, since it uses less digits than its factorization.

65805912141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21935304050.

The product of its (nonzero) digits is 86400, while the sum is 42.

The spelling of 65805912141 in words is "sixty-five billion, eight hundred five million, nine hundred twelve thousand, one hundred forty-one".