68726101751 has 4 divisors (see below), whose sum is σ = 68876487552. Its totient is φ = 68575715952.

The previous prime is 68726101721. The next prime is 68726101789. The reversal of 68726101751 is 15710162786.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15710162786 = 2 ⋅7855081393.

It is a cyclic number.

It is not a de Polignac number, because 68726101751 - 2¹⁰ = 68726100727 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 (68726101721) 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, 75192215 + ... + 75193128.

It is an arithmetic number, because the mean of its divisors is an integer number (17219121888).

Almost surely, 2^68726101751 is an apocalyptic number.

68726101751 is a deficient number, since it is larger than the sum of its proper divisors (150385801).

68726101751 is a wasteful number, since it uses less digits than its factorization.

68726101751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150385800.

The product of its (nonzero) digits is 141120, while the sum is 44.

The spelling of 68726101751 in words is "sixty-eight billion, seven hundred twenty-six million, one hundred one thousand, seven hundred fifty-one".