68524282511 has 4 divisors (see below), whose sum is σ = 68644712400. Its totient is φ = 68403852624.

The previous prime is 68524282487. The next prime is 68524282529. The reversal of 68524282511 is 11528242586.

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

It is a cyclic number.

It is not a de Polignac number, because 68524282511 - 2⁶ = 68524282447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68524284511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60214091 + ... + 60215228.

It is an arithmetic number, because the mean of its divisors is an integer number (17161178100).

Almost surely, 2^68524282511 is an apocalyptic number.

68524282511 is a deficient number, since it is larger than the sum of its proper divisors (120429889).

68524282511 is a wasteful number, since it uses less digits than its factorization.

68524282511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120429888.

The product of its digits is 307200, while the sum is 44.

The spelling of 68524282511 in words is "sixty-eight billion, five hundred twenty-four million, two hundred eighty-two thousand, five hundred eleven".