68355043054265 has 64 divisors (see below), whose sum is σ = 95331673481472. Its totient is φ = 46499799859200.

The previous prime is 68355043054261. The next prime is 68355043054271. The reversal of 68355043054265 is 56245034055386.

It is not a de Polignac number, because 68355043054265 - 2² = 68355043054261 is a prime.

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 68355043054265.

It is not an unprimeable number, because it can be changed into a prime (68355043054261) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 419349230 + ... + 419512200.

It is an arithmetic number, because the mean of its divisors is an integer number (1489557398148).

Almost surely, 2^{68355043054265} is an apocalyptic number.

It is an amenable number.

68355043054265 is a deficient number, since it is larger than the sum of its proper divisors (26976630427207).

68355043054265 is a wasteful number, since it uses less digits than its factorization.

68355043054265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165770.

The product of its (nonzero) digits is 51840000, while the sum is 56.

The spelling of 68355043054265 in words is "sixty-eight trillion, three hundred fifty-five billion, forty-three million, fifty-four thousand, two hundred sixty-five".