68611911743 has 8 divisors (see below), whose sum is σ = 68792472000. Its totient is φ = 68431454208.

The previous prime is 68611911703. The next prime is 68611911793. The reversal of 68611911743 is 34711911686.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 68611911743 - 2¹⁸ = 68611649599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68611911703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1417658 + ... + 1465256.

It is an arithmetic number, because the mean of its divisors is an integer number (8599059000).

Almost surely, 2^68611911743 is an apocalyptic number.

68611911743 is a deficient number, since it is larger than the sum of its proper divisors (180560257).

68611911743 is a wasteful number, since it uses less digits than its factorization.

68611911743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51361.

The product of its digits is 217728, while the sum is 47.

The spelling of 68611911743 in words is "sixty-eight billion, six hundred eleven million, nine hundred eleven thousand, seven hundred forty-three".