268072512601 has 4 divisors (see below), whose sum is σ = 268831925172. Its totient is φ = 267313100032.

The previous prime is 268072512599. The next prime is 268072512611. The reversal of 268072512601 is 106215270862.

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 54791105625 + 213281406976 = 234075^2 + 461824^2 .

It is a cyclic number.

It is not a de Polignac number, because 268072512601 - 2¹ = 268072512599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268072512611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 379705756 + ... + 379706461.

It is an arithmetic number, because the mean of its divisors is an integer number (67207981293).

Almost surely, 2^268072512601 is an apocalyptic number.

It is an amenable number.

268072512601 is a deficient number, since it is larger than the sum of its proper divisors (759412571).

268072512601 is an equidigital number, since it uses as much as digits as its factorization.

268072512601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 759412570.

The product of its (nonzero) digits is 80640, while the sum is 40.

The spelling of 268072512601 in words is "two hundred sixty-eight billion, seventy-two million, five hundred twelve thousand, six hundred one".