68073531611 has 16 divisors (see below), whose sum is σ = 72020275200. Its totient is φ = 64237346208.

The previous prime is 68073531601. The next prime is 68073531619. The reversal of 68073531611 is 11613537086.

It is a cyclic number.

It is not a de Polignac number, because 68073531611 - 2¹⁴ = 68073515227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68073531619) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 945266 + ... + 1014728.

It is an arithmetic number, because the mean of its divisors is an integer number (4501267200).

Almost surely, 2^68073531611 is an apocalyptic number.

68073531611 is a deficient number, since it is larger than the sum of its proper divisors (3946743589).

68073531611 is a wasteful number, since it uses less digits than its factorization.

68073531611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70258.

The product of its (nonzero) digits is 90720, while the sum is 41.

The spelling of 68073531611 in words is "sixty-eight billion, seventy-three million, five hundred thirty-one thousand, six hundred eleven".