12711357905 has 8 divisors (see below), whose sum is σ = 15916830912. Its totient is φ = 9726952048.

The previous prime is 12711357863. The next prime is 12711357907. The reversal of 12711357905 is 50975311721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12711357905 - 2⁸ = 12711357649 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12711357907) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55266659 + ... + 55266888.

It is an arithmetic number, because the mean of its divisors is an integer number (1989603864).

Almost surely, 2^12711357905 is an apocalyptic number.

It is an amenable number.

12711357905 is a deficient number, since it is larger than the sum of its proper divisors (3205473007).

12711357905 is a wasteful number, since it uses less digits than its factorization.

12711357905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110533575.

The product of its (nonzero) digits is 66150, while the sum is 41.

The spelling of 12711357905 in words is "twelve billion, seven hundred eleven million, three hundred fifty-seven thousand, nine hundred five".