13125403021424 has 40 divisors (see below), whose sum is σ = 26926875922320. Its totient is φ = 6176546085888.

The previous prime is 13125403021421. The next prime is 13125403021453. The reversal of 13125403021424 is 42412030452131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13125403021421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15320642 + ... + 16154654.

It is an arithmetic number, because the mean of its divisors is an integer number (673171898058).

Almost surely, 2^{13125403021424} is an apocalyptic number.

It is an amenable number.

13125403021424 is an abundant number, since it is smaller than the sum of its proper divisors (13801472900896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13125403021424 is a wasteful number, since it uses less digits than its factorization.

13125403021424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891897 (or 891891 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 13125403021424 its reverse (42412030452131), we get a palindrome (55537433473555).

The spelling of 13125403021424 in words is "thirteen trillion, one hundred twenty-five billion, four hundred three million, twenty-one thousand, four hundred twenty-four".