13403253125 has 54 divisors (see below), whose sum is σ = 17844838326. Its totient is φ = 10065060000.

The previous prime is 13403253041. The next prime is 13403253139. The reversal of 13403253125 is 52135230431.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 9 ways, for example, as 12643203364 + 760049761 = 112442^2 + 27569^2 .

It is not a de Polignac number, because 13403253125 - 2³² = 9108285829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 122965571 + ... + 122965679.

It is an arithmetic number, because the mean of its divisors is an integer number (330459969).

Almost surely, 2^13403253125 is an apocalyptic number.

It is an amenable number.

13403253125 is a deficient number, since it is larger than the sum of its proper divisors (4441585201).

13403253125 is an frugal number, since it uses more digits than its factorization.

13403253125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281 (or 133 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 13403253125 its reverse (52135230431), we get a palindrome (65538483556).

The spelling of 13403253125 in words is "thirteen billion, four hundred three million, two hundred fifty-three thousand, one hundred twenty-five".