68110540801 has 4 divisors (see below), whose sum is σ = 68132882500. Its totient is φ = 68088199104.

The previous prime is 68110540793. The next prime is 68110540819. The reversal of 68110540801 is 10804501186.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 27365099776 + 40745441025 = 165424^2 + 201855^2 .

It is a cyclic number.

It is not a de Polignac number, because 68110540801 - 2³ = 68110540793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68110540501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11166276 + ... + 11172373.

It is an arithmetic number, because the mean of its divisors is an integer number (17033220625).

Almost surely, 2^68110540801 is an apocalyptic number.

It is an amenable number.

68110540801 is a deficient number, since it is larger than the sum of its proper divisors (22341699).

68110540801 is a wasteful number, since it uses less digits than its factorization.

68110540801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22341698.

The product of its (nonzero) digits is 7680, while the sum is 34.

The spelling of 68110540801 in words is "sixty-eight billion, one hundred ten million, five hundred forty thousand, eight hundred one".