68846525811 has 36 divisors (see below), whose sum is σ = 115703148600. Its totient is φ = 39333305088.

The previous prime is 68846525791. The next prime is 68846525819. The reversal of 68846525811 is 11852564886.

68846525811 is a `hidden beast` number, since 6 + 8 + 8 + 4 + 6 + 52 + 581 + 1 = 666.

It is not a de Polignac number, because 68846525811 - 2⁶ = 68846525747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68846525819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2938180 + ... + 2961518.

It is an arithmetic number, because the mean of its divisors is an integer number (3213976350).

Almost surely, 2^68846525811 is an apocalyptic number.

68846525811 is a deficient number, since it is larger than the sum of its proper divisors (46856622789).

68846525811 is a wasteful number, since it uses less digits than its factorization.

68846525811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30048 (or 30038 counting only the distinct ones).

The product of its digits is 3686400, while the sum is 54.

The spelling of 68846525811 in words is "sixty-eight billion, eight hundred forty-six million, five hundred twenty-five thousand, eight hundred eleven".