68711411291 has 4 divisors (see below), whose sum is σ = 72753259032. Its totient is φ = 64669563552.

The previous prime is 68711411267. The next prime is 68711411333. The reversal of 68711411291 is 19211411786.

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

It is a cyclic number.

It is not a de Polignac number, because 68711411291 - 2¹⁰ = 68711410267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68711411231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2020923845 + ... + 2020923878.

It is an arithmetic number, because the mean of its divisors is an integer number (18188314758).

Almost surely, 2^68711411291 is an apocalyptic number.

68711411291 is a deficient number, since it is larger than the sum of its proper divisors (4041847741).

68711411291 is a wasteful number, since it uses less digits than its factorization.

68711411291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4041847740.

The product of its digits is 24192, while the sum is 41.

The spelling of 68711411291 in words is "sixty-eight billion, seven hundred eleven million, four hundred eleven thousand, two hundred ninety-one".