65105412601 has 8 divisors (see below), whose sum is σ = 68960016360. Its totient is φ = 61253572608.

The previous prime is 65105412551. The next prime is 65105412607. The reversal of 65105412601 is 10621450156.

It can be written as a sum of positive squares in 4 ways, for example, as 19948737600 + 45156675001 = 141240^2 + 212501^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 65105412601 - 2¹⁹ = 65104888313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65105412607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 642336 + ... + 736753.

It is an arithmetic number, because the mean of its divisors is an integer number (8620002045).

Almost surely, 2^65105412601 is an apocalyptic number.

It is an amenable number.

65105412601 is a deficient number, since it is larger than the sum of its proper divisors (3854603759).

65105412601 is a wasteful number, since it uses less digits than its factorization.

65105412601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1381883.

The product of its (nonzero) digits is 7200, while the sum is 31.

Adding to 65105412601 its reverse (10621450156), we get a palindrome (75726862757).

The spelling of 65105412601 in words is "sixty-five billion, one hundred five million, four hundred twelve thousand, six hundred one".