13529725748451 has 12 divisors (see below), whose sum is σ = 21319567846200. Its totient is φ = 8199833786880.

The previous prime is 13529725748447. The next prime is 13529725748471. The reversal of 13529725748451 is 15484752792531.

13529725748451 is a `hidden beast` number, since 1 + 3 + 5 + 2 + 9 + 7 + 2 + 574 + 8 + 4 + 51 = 666.

13529725748451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13529725748451 - 2² = 13529725748447 is a prime.

It is a super-4 number, since 4×13529725748451⁴ (a number of 54 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (13529725748401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68331948126 + ... + 68331948323.

It is an arithmetic number, because the mean of its divisors is an integer number (1776630653850).

Almost surely, 2^{13529725748451} is an apocalyptic number.

13529725748451 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13529725748451 is a deficient number, since it is larger than the sum of its proper divisors (7789842097749).

13529725748451 is a wasteful number, since it uses less digits than its factorization.

13529725748451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136663896466 (or 136663896463 counting only the distinct ones).

The product of its digits is 84672000, while the sum is 63.

The spelling of 13529725748451 in words is "thirteen trillion, five hundred twenty-nine billion, seven hundred twenty-five million, seven hundred forty-eight thousand, four hundred fifty-one".