12677575555 has 8 divisors (see below), whose sum is σ = 15225849792. Its totient is φ = 10133554368.

The previous prime is 12677575553. The next prime is 12677575583. The reversal of 12677575555 is 55557577621.

It is a happy number.

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 12677575555 - 2¹ = 12677575553 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12677575496 and 12677575505.

It is not an unprimeable number, because it can be changed into a prime (12677575553) 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, 1056699 + ... + 1068628.

It is an arithmetic number, because the mean of its divisors is an integer number (1903231224).

Almost surely, 2^12677575555 is an apocalyptic number.

12677575555 is a deficient number, since it is larger than the sum of its proper divisors (2548274237).

12677575555 is a wasteful number, since it uses less digits than its factorization.

12677575555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2126525.

The product of its digits is 12862500, while the sum is 55.

It can be divided in two parts, 12677575 and 555, that added together give a triangular number (12678130 = T₅₀₃₅).

The spelling of 12677575555 in words is "twelve billion, six hundred seventy-seven million, five hundred seventy-five thousand, five hundred fifty-five".