68503411 has 2 divisors, whose sum is σ = 68503412. Its totient is φ = 68503410.

The previous prime is 68503403. The next prime is 68503447. The reversal of 68503411 is 11430586.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68503411 - 2³ = 68503403 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68503411.

It is not a weakly prime, because it can be changed into another prime (68503451) 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 as a sum of consecutive naturals, namely, 34251705 + 34251706.

It is an arithmetic number, because the mean of its divisors is an integer number (34251706).

Almost surely, 2^68503411 is an apocalyptic number.

68503411 is a deficient number, since it is larger than the sum of its proper divisors (1).

68503411 is an equidigital number, since it uses as much as digits as its factorization.

68503411 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 68503411 is about 8276.6787421042. The cubic root of 68503411 is about 409.1702652503.

Adding to 68503411 its reverse (11430586), we get a palindrome (79933997).

The spelling of 68503411 in words is "sixty-eight million, five hundred three thousand, four hundred eleven".