712000660111 has 4 divisors (see below), whose sum is σ = 766769941672. Its totient is φ = 657231378552.

The previous prime is 712000660087. The next prime is 712000660171. The reversal of 712000660111 is 111066000217.

It is a happy number.

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 712000660111 - 2⁷ = 712000659983 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 (712000660171) 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, 27384640761 + ... + 27384640786.

It is an arithmetic number, because the mean of its divisors is an integer number (191692485418).

Almost surely, 2^712000660111 is an apocalyptic number.

712000660111 is a deficient number, since it is larger than the sum of its proper divisors (54769281561).

712000660111 is a wasteful number, since it uses less digits than its factorization.

712000660111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54769281560.

The product of its (nonzero) digits is 504, while the sum is 25.

Adding to 712000660111 its reverse (111066000217), we get a palindrome (823066660328).

The spelling of 712000660111 in words is "seven hundred twelve billion, six hundred sixty thousand, one hundred eleven".