65500015152212 has 6 divisors (see below), whose sum is σ = 114625026516378. Its totient is φ = 32750007576104.

The previous prime is 65500015152179. The next prime is 65500015152239. The reversal of 65500015152212 is 21225151000556.

It can be written as a sum of positive squares in only one way, i.e., 57788974832836 + 7711040319376 = 7601906^2 + 2776876^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8187501894023 + ... + 8187501894030.

It is an arithmetic number, because the mean of its divisors is an integer number (19104171086063).

Almost surely, 2^{65500015152212} is an apocalyptic number.

It is an amenable number.

65500015152212 is a deficient number, since it is larger than the sum of its proper divisors (49125011364166).

65500015152212 is a wasteful number, since it uses less digits than its factorization.

65500015152212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16375003788057 (or 16375003788055 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 35.

Adding to 65500015152212 its reverse (21225151000556), we get a palindrome (86725166152768).

The spelling of 65500015152212 in words is "sixty-five trillion, five hundred billion, fifteen million, one hundred fifty-two thousand, two hundred twelve".