68536911 has 16 divisors (see below), whose sum is σ = 97653600. Its totient is φ = 42605568.

The previous prime is 68536879. The next prime is 68536957. The reversal of 68536911 is 11963586.

It is not a de Polignac number, because 68536911 - 2⁵ = 68536879 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68536911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68536961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 606 + ... + 11723.

It is an arithmetic number, because the mean of its divisors is an integer number (6103350).

Almost surely, 2^68536911 is an apocalyptic number.

68536911 is a deficient number, since it is larger than the sum of its proper divisors (29116689).

68536911 is a wasteful number, since it uses less digits than its factorization.

68536911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12458.

The product of its digits is 38880, while the sum is 39.

The square root of 68536911 is about 8278.7022533728. The cubic root of 68536911 is about 409.2369527816.

The spelling of 68536911 in words is "sixty-eight million, five hundred thirty-six thousand, nine hundred eleven".