68238785811 has 16 divisors (see below), whose sum is σ = 103986561024. Its totient is φ = 38992223424.

The previous prime is 68238785803. The next prime is 68238785831. The reversal of 68238785811 is 11858783286.

It is not a de Polignac number, because 68238785811 - 2³ = 68238785803 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68238785831) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1139950 + ... + 1198316.

It is an arithmetic number, because the mean of its divisors is an integer number (6499160064).

Almost surely, 2^68238785811 is an apocalyptic number.

68238785811 is a deficient number, since it is larger than the sum of its proper divisors (35747775213).

68238785811 is a wasteful number, since it uses less digits than its factorization.

68238785811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114050.

The product of its digits is 5160960, while the sum is 57.

The spelling of 68238785811 in words is "sixty-eight billion, two hundred thirty-eight million, seven hundred eighty-five thousand, eight hundred eleven".