13424551023525 has 48 divisors (see below), whose sum is σ = 22357910335488. Its totient is φ = 7107406200000.

The previous prime is 13424551023517. The next prime is 13424551023577. The reversal of 13424551023525 is 52532015542431.

It is not a de Polignac number, because 13424551023525 - 2³ = 13424551023517 is a prime.

It is a super-2 number, since 2×13424551023525² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8692680 + ... + 10119870.

It is an arithmetic number, because the mean of its divisors is an integer number (465789798656).

Almost surely, 2^{13424551023525} is an apocalyptic number.

13424551023525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13424551023525 is a deficient number, since it is larger than the sum of its proper divisors (8933359311963).

13424551023525 is a wasteful number, since it uses less digits than its factorization.

13424551023525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1428122 (or 1428117 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 42.

Adding to 13424551023525 its reverse (52532015542431), we get a palindrome (65956566565956).

The spelling of 13424551023525 in words is "thirteen trillion, four hundred twenty-four billion, five hundred fifty-one million, twenty-three thousand, five hundred twenty-five".