13162725012447 has 12 divisors (see below), whose sum is σ = 19013215426920. Its totient is φ = 8774969819568.

The previous prime is 13162725012439. The next prime is 13162725012517. The reversal of 13162725012447 is 74421052726131.

13162725012447 is a `hidden beast` number, since 1 + 3 + 1 + 627 + 2 + 5 + 0 + 12 + 4 + 4 + 7 = 666.

It is not a de Polignac number, because 13162725012447 - 2³ = 13162725012439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13162725017447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14552328 + ... + 15430349.

It is an arithmetic number, because the mean of its divisors is an integer number (1584434618910).

Almost surely, 2^{13162725012447} is an apocalyptic number.

13162725012447 is a deficient number, since it is larger than the sum of its proper divisors (5850490414473).

13162725012447 is a wasteful number, since it uses less digits than its factorization.

13162725012447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30031462 (or 30031459 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

Adding to 13162725012447 its reverse (74421052726131), we get a palindrome (87583777738578).

The spelling of 13162725012447 in words is "thirteen trillion, one hundred sixty-two billion, seven hundred twenty-five million, twelve thousand, four hundred forty-seven".