68045787011 has 4 divisors (see below), whose sum is σ = 68046337632. Its totient is φ = 68045236392.

The previous prime is 68045786989. The next prime is 68045787071. The reversal of 68045787011 is 11078754086.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 68045787011 - 2¹⁴ = 68045770627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68045787071) 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, 5606 + ... + 368948.

It is an arithmetic number, because the mean of its divisors is an integer number (17011584408).

Almost surely, 2^68045787011 is an apocalyptic number.

68045787011 is a deficient number, since it is larger than the sum of its proper divisors (550621).

68045787011 is a wasteful number, since it uses less digits than its factorization.

68045787011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550620.

The product of its (nonzero) digits is 376320, while the sum is 47.

The spelling of 68045787011 in words is "sixty-eight billion, forty-five million, seven hundred eighty-seven thousand, eleven".