65173725213712 has 20 divisors (see below), whose sum is σ = 126274382047296. Its totient is φ = 32586787911200.

The previous prime is 65173725213629. The next prime is 65173725213719. The reversal of 65173725213712 is 21731252737156.

It is a super-2 number, since 2×65173725213712² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 65173725213712.

It is not an unprimeable number, because it can be changed into a prime (65173725213719) 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, 2901837 + ... + 11779987.

Almost surely, 2^{65173725213712} is an apocalyptic number.

It is an amenable number.

65173725213712 is a deficient number, since it is larger than the sum of its proper divisors (61100656833584).

65173725213712 is a wasteful number, since it uses less digits than its factorization.

65173725213712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9336966 (or 9336960 counting only the distinct ones).

The product of its digits is 3704400, while the sum is 52.

The spelling of 65173725213712 in words is "sixty-five trillion, one hundred seventy-three billion, seven hundred twenty-five million, two hundred thirteen thousand, seven hundred twelve".