13125331442511 has 12 divisors (see below), whose sum is σ = 19783108261488. Its totient is φ = 8369776571904.

The previous prime is 13125331442501. The next prime is 13125331442543. The reversal of 13125331442511 is 11524413352131.

13125331442511 is a `hidden beast` number, since 1 + 3 + 1 + 253 + 314 + 42 + 51 + 1 = 666.

It is not a de Polignac number, because 13125331442511 - 2¹⁴ = 13125331426127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13125331442501) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31703698930 + ... + 31703699343.

It is an arithmetic number, because the mean of its divisors is an integer number (1648592355124).

Almost surely, 2^{13125331442511} is an apocalyptic number.

13125331442511 is a deficient number, since it is larger than the sum of its proper divisors (6657776818977).

13125331442511 is a wasteful number, since it uses less digits than its factorization.

13125331442511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63407398302 (or 63407398299 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

Adding to 13125331442511 its reverse (11524413352131), we get a palindrome (24649744794642).

The spelling of 13125331442511 in words is "thirteen trillion, one hundred twenty-five billion, three hundred thirty-one million, four hundred forty-two thousand, five hundred eleven".