68111001 has 12 divisors (see below), whose sum is σ = 112437312. Its totient is φ = 38920536.

The previous prime is 68110967. The next prime is 68111003. The reversal of 68111001 is 10011186.

It is not a de Polignac number, because 68111001 - 2⁷ = 68110873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68111003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 540501 + ... + 540626.

It is an arithmetic number, because the mean of its divisors is an integer number (9369776).

Almost surely, 2^68111001 is an apocalyptic number.

It is an amenable number.

68111001 is a deficient number, since it is larger than the sum of its proper divisors (44326311).

68111001 is a wasteful number, since it uses less digits than its factorization.

68111001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081140 (or 1081137 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

The square root of 68111001 is about 8252.9389310718. The cubic root of 68111001 is about 408.3874815137.

Adding to 68111001 its reverse (10011186), we get a palindrome (78122187).

The spelling of 68111001 in words is "sixty-eight million, one hundred eleven thousand, one".