65112152433550 has 192 divisors, whose sum is σ = 125349938233344. Its totient is φ = 25154290022400.

The previous prime is 65112152433539. The next prime is 65112152433551. The reversal of 65112152433550 is 5533425121156.

It is a junction number, because it is equal to n+sod(n) for n = 65112152433497 and 65112152433506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65112152433551) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 17932290235 + ... + 17932293865.

It is an arithmetic number, because the mean of its divisors is an integer number (652864261632).

Almost surely, 2^{65112152433550} is an apocalyptic number.

65112152433550 is a deficient number, since it is larger than the sum of its proper divisors (60237785799794).

65112152433550 is a wasteful number, since it uses less digits than its factorization.

65112152433550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4323 (or 4318 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 43.

The spelling of 65112152433550 in words is "sixty-five trillion, one hundred twelve billion, one hundred fifty-two million, four hundred thirty-three thousand, five hundred fifty".