12557016828914 has 4 divisors (see below), whose sum is σ = 18835525243374. Its totient is φ = 6278508414456.

The previous prime is 12557016828911. The next prime is 12557016829069. The reversal of 12557016828914 is 41982861075521.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 10919832603289 + 1637184225625 = 3304517^2 + 1279525^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12557016828911) 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 as a sum of consecutive naturals, namely, 3139254207227 + ... + 3139254207230.

Almost surely, 2^{12557016828914} is an apocalyptic number.

12557016828914 is a deficient number, since it is larger than the sum of its proper divisors (6278508414460).

12557016828914 is an equidigital number, since it uses as much as digits as its factorization.

12557016828914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6278508414459.

The product of its (nonzero) digits is 9676800, while the sum is 59.

The spelling of 12557016828914 in words is "twelve trillion, five hundred fifty-seven billion, sixteen million, eight hundred twenty-eight thousand, nine hundred fourteen".