68655735278811 has 12 divisors (see below), whose sum is σ = 99926413689960. Its totient is φ = 45421097130240.

The previous prime is 68655735278759. The next prime is 68655735278831. The reversal of 68655735278811 is 11887253755686.

68655735278811 is a `hidden beast` number, since 6 + 8 + 6 + 5 + 5 + 7 + 3 + 527 + 88 + 11 = 666.

It is not a de Polignac number, because 68655735278811 - 2⁴¹ = 66456712023259 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68655735278811.

It is not an unprimeable number, because it can be changed into a prime (68655735278831) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29116086726 + ... + 29116089083.

It is an arithmetic number, because the mean of its divisors is an integer number (8327201140830).

Almost surely, 2^{68655735278811} is an apocalyptic number.

68655735278811 is a deficient number, since it is larger than the sum of its proper divisors (31270678411149).

68655735278811 is a wasteful number, since it uses less digits than its factorization.

68655735278811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58232175946 (or 58232175943 counting only the distinct ones).

The product of its digits is 677376000, while the sum is 72.

The spelling of 68655735278811 in words is "sixty-eight trillion, six hundred fifty-five billion, seven hundred thirty-five million, two hundred seventy-eight thousand, eight hundred eleven".