13201381387625 has 16 divisors (see below), whose sum is σ = 16477962264192. Its totient is φ = 10559413897200.

The previous prime is 13201381387577. The next prime is 13201381387651. The reversal of 13201381387625 is 52678318310231.

It is not a de Polignac number, because 13201381387625 - 2¹⁶ = 13201381322089 is a prime.

It is a super-3 number, since 3×13201381387625³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 7672067 + ... + 9233816.

It is an arithmetic number, because the mean of its divisors is an integer number (1029872641512).

Almost surely, 2^{13201381387625} is an apocalyptic number.

It is an amenable number.

13201381387625 is a deficient number, since it is larger than the sum of its proper divisors (3276580876567).

13201381387625 is an equidigital number, since it uses as much as digits as its factorization.

13201381387625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16912145 (or 16912135 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 50.

Adding to 13201381387625 its reverse (52678318310231), we get a palindrome (65879699697856).

The spelling of 13201381387625 in words is "thirteen trillion, two hundred one billion, three hundred eighty-one million, three hundred eighty-seven thousand, six hundred twenty-five".