13124452115525 has 24 divisors (see below), whose sum is σ = 16325933582304. Its totient is φ = 10466280497600.

The previous prime is 13124452115501. The next prime is 13124452115539. The reversal of 13124452115525 is 52551125442131.

It is not a de Polignac number, because 13124452115525 - 2³⁰ = 13123378373701 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30067739 + ... + 30501111.

It is an arithmetic number, because the mean of its divisors is an integer number (680247232596).

Almost surely, 2^{13124452115525} is an apocalyptic number.

It is an amenable number.

13124452115525 is a deficient number, since it is larger than the sum of its proper divisors (3201481466779).

13124452115525 is a wasteful number, since it uses less digits than its factorization.

13124452115525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437221 (or 437216 counting only the distinct ones).

The product of its digits is 240000, while the sum is 41.

Adding to 13124452115525 its reverse (52551125442131), we get a palindrome (65675577557656).

The spelling of 13124452115525 in words is "thirteen trillion, one hundred twenty-four billion, four hundred fifty-two million, one hundred fifteen thousand, five hundred twenty-five".