12556330525311 has 16 divisors (see below), whose sum is σ = 16907783119200. Its totient is φ = 8287884915200.

The previous prime is 12556330525261. The next prime is 12556330525331. The reversal of 12556330525311 is 11352503365521.

It is a cyclic number.

It is not a de Polignac number, because 12556330525311 - 2⁷ = 12556330525183 is a prime.

It is a super-2 number, since 2×12556330525311² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12556330525331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23322091 + ... + 23854403.

It is an arithmetic number, because the mean of its divisors is an integer number (1056736444950).

Almost surely, 2^{12556330525311} is an apocalyptic number.

12556330525311 is a deficient number, since it is larger than the sum of its proper divisors (4351452593889).

12556330525311 is a wasteful number, since it uses less digits than its factorization.

12556330525311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610266.

The product of its (nonzero) digits is 405000, while the sum is 42.

The spelling of 12556330525311 in words is "twelve trillion, five hundred fifty-six billion, three hundred thirty million, five hundred twenty-five thousand, three hundred eleven".