13140243011125 has 16 divisors (see below), whose sum is σ = 16399152272880. Its totient is φ = 10512111720000.

The previous prime is 13140243011123. The next prime is 13140243011179. The reversal of 13140243011125 is 52111034204131.

It can be written as a sum of positive squares in 8 ways, for example, as 2860126998481 + 10280116012644 = 1691191^2 + 3206262^2 .

It is not a de Polignac number, because 13140243011125 - 2¹ = 13140243011123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13140243011093 and 13140243011102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13140243011123) 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, 19277631 + ... + 19947619.

It is an arithmetic number, because the mean of its divisors is an integer number (1024947017055).

Almost surely, 2^{13140243011125} is an apocalyptic number.

It is an amenable number.

13140243011125 is a deficient number, since it is larger than the sum of its proper divisors (3258909261755).

13140243011125 is an equidigital number, since it uses as much as digits as its factorization.

13140243011125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 826905 (or 826895 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

Adding to 13140243011125 its reverse (52111034204131), we get a palindrome (65251277215256).

The spelling of 13140243011125 in words is "thirteen trillion, one hundred forty billion, two hundred forty-three million, eleven thousand, one hundred twenty-five".