68803111 has 6 divisors (see below), whose sum is σ = 74502960. Its totient is φ = 63510408.

The previous prime is 68803103. The next prime is 68803127. The reversal of 68803111 is 11130886.

It is a happy number.

It is not a de Polignac number, because 68803111 - 2³ = 68803103 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 68803111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68803411) 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 5 ways as a sum of consecutive naturals, for example, 203391 + ... + 203728.

It is an arithmetic number, because the mean of its divisors is an integer number (12417160).

Almost surely, 2^68803111 is an apocalyptic number.

68803111 is a deficient number, since it is larger than the sum of its proper divisors (5699849).

68803111 is a wasteful number, since it uses less digits than its factorization.

68803111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407145 (or 407132 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 68803111 is about 8294.7640713886. The cubic root of 68803111 is about 409.7660989885.

Adding to 68803111 its reverse (11130886), we get a palindrome (79933997).

The spelling of 68803111 in words is "sixty-eight million, eight hundred three thousand, one hundred eleven".