12775581688 has 16 divisors (see below), whose sum is σ = 23955873480. Its totient is φ = 6387348768.

The previous prime is 12775581653. The next prime is 12775581713. The reversal of 12775581688 is 88618557721.

It is a super-3 number, since 3×12775581688³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90031 + ... + 183457.

Almost surely, 2^12775581688 is an apocalyptic number.

It is an amenable number.

12775581688 is a deficient number, since it is larger than the sum of its proper divisors (11180291792).

12775581688 is a wasteful number, since it uses less digits than its factorization.

12775581688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110526 (or 110522 counting only the distinct ones).

The product of its digits is 7526400, while the sum is 58.

The spelling of 12775581688 in words is "twelve billion, seven hundred seventy-five million, five hundred eighty-one thousand, six hundred eighty-eight".