12665111683 has 24 divisors (see below), whose sum is σ = 15443310960. Its totient is φ = 10344660480.

The previous prime is 12665111671. The next prime is 12665111687. The reversal of 12665111683 is 38611156621.

It is not a de Polignac number, because 12665111683 - 2¹⁷ = 12664980611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12665111687) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13083 + ... + 159691.

It is an arithmetic number, because the mean of its divisors is an integer number (643471290).

Almost surely, 2^12665111683 is an apocalyptic number.

12665111683 is a deficient number, since it is larger than the sum of its proper divisors (2778199277).

12665111683 is a wasteful number, since it uses less digits than its factorization.

12665111683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146707 (or 146700 counting only the distinct ones).

The product of its digits is 51840, while the sum is 40.

The spelling of 12665111683 in words is "twelve billion, six hundred sixty-five million, one hundred eleven thousand, six hundred eighty-three".