12755435788 has 6 divisors (see below), whose sum is σ = 22322012636. Its totient is φ = 6377717892.

The previous prime is 12755435779. The next prime is 12755435837. The reversal of 12755435788 is 88753455721.

It is a happy number.

It is a super-2 number, since 2×12755435788² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1594429470 + ... + 1594429477.

Almost surely, 2^12755435788 is an apocalyptic number.

It is an amenable number.

12755435788 is a deficient number, since it is larger than the sum of its proper divisors (9566576848).

12755435788 is a wasteful number, since it uses less digits than its factorization.

12755435788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3188858951 (or 3188858949 counting only the distinct ones).

The product of its digits is 9408000, while the sum is 55.

The spelling of 12755435788 in words is "twelve billion, seven hundred fifty-five million, four hundred thirty-five thousand, seven hundred eighty-eight".