68425911 has 16 divisors (see below), whose sum is σ = 101553120. Its totient is φ = 45535680.

The previous prime is 68425891. The next prime is 68425919. The reversal of 68425911 is 11952486.

68425911 is a `hidden beast` number, since 68 + 4 + 2 + 591 + 1 = 666.

It is not a de Polignac number, because 68425911 - 2¹¹ = 68423863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68425919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15691 + ... + 19571.

It is an arithmetic number, because the mean of its divisors is an integer number (6347070).

Almost surely, 2^68425911 is an apocalyptic number.

68425911 is a deficient number, since it is larger than the sum of its proper divisors (33127209).

68425911 is a wasteful number, since it uses less digits than its factorization.

68425911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4543 (or 4537 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 68425911 is about 8271.9955875230. The cubic root of 68425911 is about 409.0159047543.

The spelling of 68425911 in words is "sixty-eight million, four hundred twenty-five thousand, nine hundred eleven".