12535251103161 has 24 divisors (see below), whose sum is σ = 18286115717376. Its totient is φ = 8273925770400.

The previous prime is 12535251103139. The next prime is 12535251103279. The reversal of 12535251103161 is 16130115253521.

12535251103161 is a `hidden beast` number, since 1 + 2 + 5 + 3 + 52 + 511 + 0 + 31 + 61 = 666.

It is not a de Polignac number, because 12535251103161 - 2⁵ = 12535251103129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12535251103561) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58271346 + ... + 58486068.

It is an arithmetic number, because the mean of its divisors is an integer number (761921488224).

Almost surely, 2^{12535251103161} is an apocalyptic number.

It is an amenable number.

12535251103161 is a deficient number, since it is larger than the sum of its proper divisors (5750864614215).

12535251103161 is a wasteful number, since it uses less digits than its factorization.

12535251103161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279053 (or 279050 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

Adding to 12535251103161 its reverse (16130115253521), we get a palindrome (28665366356682).

The spelling of 12535251103161 in words is "twelve trillion, five hundred thirty-five billion, two hundred fifty-one million, one hundred three thousand, one hundred sixty-one".