67715385505052 has 12 divisors (see below), whose sum is σ = 119186906858376. Its totient is φ = 33661983545520.

The previous prime is 67715385505049. The next prime is 67715385505057. The reversal of 67715385505052 is 25050558351776.

It is a junction number, because it is equal to n+sod(n) for n = 67715385504982 and 67715385505000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67715385505057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48927300974 + ... + 48927302357.

It is an arithmetic number, because the mean of its divisors is an integer number (9932242238198).

Almost surely, 2^{67715385505052} is an apocalyptic number.

It is an amenable number.

67715385505052 is a deficient number, since it is larger than the sum of its proper divisors (51471521353324).

67715385505052 is a wasteful number, since it uses less digits than its factorization.

67715385505052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97854603508 (or 97854603506 counting only the distinct ones).

The product of its (nonzero) digits is 44100000, while the sum is 59.

The spelling of 67715385505052 in words is "sixty-seven trillion, seven hundred fifteen billion, three hundred eighty-five million, five hundred five thousand, fifty-two".