13540525124161 has 8 divisors (see below), whose sum is σ = 15489069994944. Its totient is φ = 11595526288080.

The previous prime is 13540525124099. The next prime is 13540525124173. The reversal of 13540525124161 is 16142152504531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13540525124161 - 2²⁷ = 13540390906433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13540525124561) 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, 886500490 + ... + 886515763.

It is an arithmetic number, because the mean of its divisors is an integer number (1936133749368).

Almost surely, 2^{13540525124161} is an apocalyptic number.

It is an amenable number.

13540525124161 is a deficient number, since it is larger than the sum of its proper divisors (1948544870783).

13540525124161 is a wasteful number, since it uses less digits than its factorization.

13540525124161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1773017351.

The product of its (nonzero) digits is 144000, while the sum is 40.

Adding to 13540525124161 its reverse (16142152504531), we get a palindrome (29682677628692).

The spelling of 13540525124161 in words is "thirteen trillion, five hundred forty billion, five hundred twenty-five million, one hundred twenty-four thousand, one hundred sixty-one".