12777533811375 has 32 divisors (see below), whose sum is σ = 21262046767104. Its totient is φ = 6814610820000.

The previous prime is 12777533811283. The next prime is 12777533811377. The reversal of 12777533811375 is 57311833577721.

It is not a de Polignac number, because 12777533811375 - 2⁹ = 12777533810863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12777533811377) 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 31 ways as a sum of consecutive naturals, for example, 66786102 + ... + 66977148.

It is an arithmetic number, because the mean of its divisors is an integer number (664438961472).

Almost surely, 2^{12777533811375} is an apocalyptic number.

12777533811375 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12777533811375 is a deficient number, since it is larger than the sum of its proper divisors (8484512955729).

12777533811375 is a wasteful number, since it uses less digits than its factorization.

12777533811375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369416 (or 369406 counting only the distinct ones).

The product of its digits is 25930800, while the sum is 60.

The spelling of 12777533811375 in words is "twelve trillion, seven hundred seventy-seven billion, five hundred thirty-three million, eight hundred eleven thousand, three hundred seventy-five".