68520487101 has 8 divisors (see below), whose sum is σ = 99666163104. Its totient is φ = 41527567920.

The previous prime is 68520487097. The next prime is 68520487121. The reversal of 68520487101 is 10178402586.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 68520487101 - 2² = 68520487097 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68520487121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1038189166 + ... + 1038189231.

It is an arithmetic number, because the mean of its divisors is an integer number (12458270388).

Almost surely, 2^68520487101 is an apocalyptic number.

It is an amenable number.

68520487101 is a deficient number, since it is larger than the sum of its proper divisors (31145676003).

68520487101 is a wasteful number, since it uses less digits than its factorization.

68520487101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2076378411.

The product of its (nonzero) digits is 107520, while the sum is 42.

Adding to 68520487101 its reverse (10178402586), we get a palindrome (78698889687).

The spelling of 68520487101 in words is "sixty-eight billion, five hundred twenty million, four hundred eighty-seven thousand, one hundred one".