68291811725 has 12 divisors (see below), whose sum is σ = 84685282176. Its totient is φ = 54631232880.

The previous prime is 68291811683. The next prime is 68291811793. The reversal of 68291811725 is 52711819286.

It is not a de Polignac number, because 68291811725 - 2⁶ = 68291811661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 888164 + ... + 961986.

It is an arithmetic number, because the mean of its divisors is an integer number (7057106848).

Almost surely, 2^68291811725 is an apocalyptic number.

It is an amenable number.

68291811725 is a deficient number, since it is larger than the sum of its proper divisors (16393470451).

68291811725 is a wasteful number, since it uses less digits than its factorization.

68291811725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110836 (or 110831 counting only the distinct ones).

The product of its digits is 483840, while the sum is 50.

The spelling of 68291811725 in words is "sixty-eight billion, two hundred ninety-one million, eight hundred eleven thousand, seven hundred twenty-five".