68757051153355 has 4 divisors (see below), whose sum is σ = 82508461384032. Its totient is φ = 55005640922680.

The previous prime is 68757051153313. The next prime is 68757051153383. The reversal of 68757051153355 is 55335115075786.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 68757051153355 - 2²⁵ = 68757017598923 is a prime.

It is a super-2 number, since 2×68757051153355² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68757051153293 and 68757051153302.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6875705115331 + ... + 6875705115340.

It is an arithmetic number, because the mean of its divisors is an integer number (20627115346008).

Almost surely, 2^{68757051153355} is an apocalyptic number.

68757051153355 is a deficient number, since it is larger than the sum of its proper divisors (13751410230677).

68757051153355 is a wasteful number, since it uses less digits than its factorization.

68757051153355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13751410230676.

The product of its (nonzero) digits is 66150000, while the sum is 61.

The spelling of 68757051153355 in words is "sixty-eight trillion, seven hundred fifty-seven billion, fifty-one million, one hundred fifty-three thousand, three hundred fifty-five".