13405502412125 has 16 divisors (see below), whose sum is σ = 17004330413616. Its totient is φ = 10548592056000.

The previous prime is 13405502412121. The next prime is 13405502412223. The reversal of 13405502412125 is 52121420550431.

13405502412125 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 9273401391076 + 4132101021049 = 3045226^2 + 2032757^2 .

It is not a de Polignac number, because 13405502412125 - 2² = 13405502412121 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13405502412121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 879041714 + ... + 879056963.

It is an arithmetic number, because the mean of its divisors is an integer number (1062770650851).

Almost surely, 2^{13405502412125} is an apocalyptic number.

It is an amenable number.

13405502412125 is a deficient number, since it is larger than the sum of its proper divisors (3598828001491).

13405502412125 is an equidigital number, since it uses as much as digits as its factorization.

13405502412125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1758098753 (or 1758098743 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 35.

Adding to 13405502412125 its reverse (52121420550431), we get a palindrome (65526922962556).

The spelling of 13405502412125 in words is "thirteen trillion, four hundred five billion, five hundred two million, four hundred twelve thousand, one hundred twenty-five".