12715377377256 has 24 divisors (see below), whose sum is σ = 34437480396930. Its totient is φ = 4238459125728.

The previous prime is 12715377377251. The next prime is 12715377377279. The reversal of 12715377377256 is 65277377351721.

12715377377256 is a `hidden beast` number, since 1 + 2 + 7 + 1 + 5 + 3 + 7 + 7 + 377 + 256 = 666.

It can be written as a sum of positive squares in only one way, i.e., 6405404192100 + 6309973185156 = 2530890^2 + 2511966^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 12715377377193 and 12715377377202.

It is not an unprimeable number, because it can be changed into a prime (12715377377251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 88301231715 + ... + 88301231858.

Almost surely, 2^{12715377377256} is an apocalyptic number.

It is an amenable number.

12715377377256 is an abundant number, since it is smaller than the sum of its proper divisors (21722103019674).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12715377377256 is a wasteful number, since it uses less digits than its factorization.

12715377377256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176602463585 (or 176602463578 counting only the distinct ones).

The product of its digits is 90757800, while the sum is 63.

The spelling of 12715377377256 in words is "twelve trillion, seven hundred fifteen billion, three hundred seventy-seven million, three hundred seventy-seven thousand, two hundred fifty-six".