65252751766105 has 8 divisors (see below), whose sum is σ = 78304097079432. Its totient is φ = 52201671439488.

The previous prime is 65252751766099. The next prime is 65252751766133. The reversal of 65252751766105 is 50166715725256.

It can be written as a sum of positive squares in 4 ways, for example, as 4649703004489 + 60603048761616 = 2156317^2 + 7784796^2 .

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 65252751766105 - 2⁷ = 65252751765977 is a prime.

It is a super-2 number, since 2×65252751766105² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 65252751766105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65704524 + ... + 66690253.

It is an arithmetic number, because the mean of its divisors is an integer number (9788012134929).

Almost surely, 2^{65252751766105} is an apocalyptic number.

It is an amenable number.

65252751766105 is a deficient number, since it is larger than the sum of its proper divisors (13051345313327).

65252751766105 is a wasteful number, since it uses less digits than its factorization.

65252751766105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132493355.

The product of its (nonzero) digits is 26460000, while the sum is 58.

The spelling of 65252751766105 in words is "sixty-five trillion, two hundred fifty-two billion, seven hundred fifty-one million, seven hundred sixty-six thousand, one hundred five".